Using concept mapping in the knowledge-to-action process to compare stakeholder opinions on barriers to use of cancer screening among South Asians
Implementation Science volume 8, Article number: 37 (2013)
Using the knowledge-to-action (KTA) process, this study examined barriers to use of evidence-based interventions to improve early detection of cancer among South Asians from the perspective of multiple stakeholders.
In 2011, we used concept mapping with South Asian residents, and representatives from health service and community service organizations in the region of Peel Ontario. As part of concept mapping procedures, brainstorming sessions were conducted with stakeholders (n = 53) to identify barriers to cancer screening among South Asians. Participants (n = 46) sorted barriers into groups, and rated barriers from lowest (1) to highest (6) in terms of importance for use of mammograms, Pap tests and fecal occult blood tests, and how feasible it would be to address them. Multi-dimensional scaling, cluster analysis, and descriptive statistics were used to analyze the data.
A total of 45 unique barriers to use of mammograms, Pap tests, and fecal occult blood tests among South Asians were classified into seven clusters using concept mapping procedures: patient’s beliefs, fears, lack of social support; health system; limited knowledge among residents; limited knowledge among physicians; health education programs; ethno-cultural discordance with the health system; and cost. Overall, the top three ranked clusters of barriers were ‘limited knowledge among residents,’ ‘ethno-cultural discordance,’ and ‘health education programs’ across surveys. Only residents ranked ‘cost’ second in importance for fecal occult blood testing, and stakeholders from health service organizations ranked ‘limited knowledge among physicians’ third for the feasibility survey. Stakeholders from health services organizations ranked ‘limited knowledge among physicians’ fourth for all other surveys, but this cluster consistently ranked lowest among residents.
The limited reach of cancer control programs to racial and ethnic minority groups is a critical implementation issue that requires attention. Opinions of community service and health service organizations on why this deficit in implementation occurs are fundamental to understanding the solutions because these are the settings in which evidence-based interventions are implemented. Using concept mapping within a KTA process can facilitate the engagement of multiple stakeholders in the utilization of study results and in identifying next steps for action.
In Canada, cancer is the leading cause of mortality . Ontario, the most populous province in Canada , has organized screening programs to promote the early detection of breast (est. 1990), cervical (est. 1997) and colorectal (est. 2007) cancers . In order to maximize reach, these programs use evidence-based interventions (EBIs), including targeted invitations, facilitated appointment booking, reducing out-of-pocket costs [4, 5], as well as public education and communication of test results to patients and providers . Overall, self-reported recent use of mammograms (73%) and Pap tests (73%) in Ontario are similar to the country as a whole [6, 7], and self-reported rates of fecal occult blood test (FOBT) use (50%) are higher in Ontario compared to other provinces . However, the Ontario cancer screening programs have limited reach to immigrant populations compared to Canadian-born residents [9–15], which diminishes the effectiveness of these programs  and potentially leads to health inequities.
South Asians, including those from India, Pakistan, Afghanistan, Bangladesh, and Sri Lanka, are among the fastest growing immigrant groups in both Canada and Ontario . Immigrants from South Asian countries are particularly vulnerable to being inadequately screened for all three types of cancer because they generally have incomes lower than the national average , and awareness about cancer screening in their countries of origin is typically poor [19–21]. Lofters et al. found that among immigrant groups cervical cancer screening rates were lower for South Asian immigrant women compared to Canadian-born women and immigrants who arrived before 1985, both for women aged 18 to 49 years (adjusted rate ratio (ARR) 0.81, 95% confidence interval (CI) 0.80, 0.82) and for women aged 50 to 66 years (ARR 0.67, 95% CI 0.65, 0.69) . Another study found that a lower percentage of India-born Canadian residents compared to European-born Canadian residents had ever performed a breast self exam (58.6% versus 75.2%, respectively) . Although South Asian specific colorectal cancer screening data are not available, screening rates for colorectal cancer are lower for all immigrant groups as compared to Canadian-born residents .
Studies that explored barriers to use of mammography, Pap tests, and FOBTs among racial and ethnic minority groups, including South Asians, have primarily focused on the perspectives of women who are eligible to receive these services and occasionally the perspective of the healthcare provider [23, 25–34]. Relatively little is known about how stakeholders from various organization types view barriers to use of mammography, Pap tests, and FOBTs among racial and ethnic minority groups. Implementation frameworks suggest that successful implementation of EBIs is associated with organizational characteristics (e.g., readiness to adopt, leadership, culture), and the context in which organizations exist (e.g., legislation, continuity of funding, inter-organizational works) [35–40]. Therefore, by identifying organizational perspectives on barriers to cancer screening for racial and ethnic minority groups we can begin to understand how organizational factors might influence implementation of EBIs . This knowledge can be used to design studies that will examine the effect of implementation strategies to improve organizational delivery of and resident participation in cancer screening programs for medically underserved populations. We report on research that is part of a multi-phase project with the overarching goal to reduce inequities in cancer screening for South Asian immigrants to Ontario by identifying effective strategies for increasing use of EBIs. In this manuscript, we describe concept mapping that was used to compare barriers to the use of mammograms, Pap tests, and FOBTs among South Asians from the perspective of stakeholders from organizations and South Asian residents, and discuss how results from concept mapping are being used within a knowledge-to-action (KTA) process to inform future phases of the project.
The multiple phases of our project are guided by the KTA process that conceptualizes a relationship between knowledge creation and an action cycle to translate research into ‘real-world’ settings. KTA views knowledge creation as occurring through a funnel that includes the multitude of primary studies or information on a topic at the widest end, knowledge synthesis in the middle, and knowledge products (e.g., EBIs) at the most narrow end. The action cycle is the process that leads to the implementation of EBIs. Based on numerous theories and frameworks of implementation, the action cycle consists of the following activities: identify a problem; identify the EBI relevant to the problem; adapt the identified EBI to the local context; assess barriers to using the EBI; select, tailor, and implement strategies to promote use of the EBI; monitor EBI use; evaluate the outcomes of using the EBI; and sustain ongoing use of EBI. The KTA process is dynamic and is accomplished through iterative exchanges between researchers and the end-users of research [37, 42].
Following an adapted KTA process, our project consists of a pre-implementation phase and three phases of implementation (Figure 1) . In the pre-implementation phase, we identified low rates of cancer screening among South Asians in Ontario and implementation strategies that are effective to increase use of mammograms, Pap tests, and FOBTs. We developed relationships with three key stakeholders in our target setting including Cancer Care Ontario, the provincial authority for cancer screening programs in Ontario; the Medical Officer of Health in the region of Peel, an area of 1.2 million residents with cancer screening rates lower than other regions of Ontario , and a high concentration of immigrants from South Asia ; and the Executive Director of Punjabi Community Health Services, a community service organization that delivers culturally tailored health promotion services to South Asians in Mississauga and Brampton, the largest cities in the Peel region. These organizations were our initial community partners from the provincial, regional, and local levels respectively. Following funding from the Canadian Institutes of Health Research, we completed phase one (concept mapping) and launched phase two of the study. Knowledge gained from concept mapping is described in this paper. Future papers will describe findings from our current activities (phase two) and future activities (phase three).
Concept mapping is a participatory research method that has been widely used for program planning [41, 44–46]. This mixed methods approach uses qualitative procedures to generate data and quantitative methods to analyze data [41, 44]. Concept mapping involves six steps: preparation, brainstorming, sorting and rating, analysis, interpretation, and utilization . We conducted the preparation step in the pre-implementation phase of our project in collaboration with our initial community partners. During preparation we clarified the core issue to be addressed through concept mapping, developed the focus statements for brainstorming and rating sessions, and identified potential participants. The brainstorming, sorting, rating, analysis, and interpretation steps in concept mapping were conducted in phase one, and are described in this paper. The utilization step of concept mapping in which we are using concept mapping results to guide the selection, tailoring and implementation of interventions is being conducted in phase two of our study (Figure 1). Study activities have been approved by the St. Michael’s Hospital Research Ethic Board.
To achieve a broad sampling of ideas about barriers to cancer screening for South Asians, we recruited 53 participants for brainstorming including potential decision makers, program implementers, and program participants from Brampton and Mississauga using a snowball sampling process that was initiated by our community collaborators. Punjabi Community Health Services recruited 24 South Asian immigrants to Canada through personal networks and existing health promotion programs. We recruited residents who spoke English, Punjabi or Urdu, the most common languages spoken among South Asians in Peel . Translated invitation letters and consent forms were used for non-English speaking participants. South Asian resident participants ranged in age from 18 to 49 years (66%) to 50 to 69 years (34%), were male (36%) and female (64%), and spoke English (45%), Punjabi (38%) and Urdu (17%) as a primary language. Residents’ religious beliefs included Muslim (n = 4), Sikh (n = 14), Hindu (n = 5) and Christian (n = 1). Cancer Care Ontario’s Regional Primary Care Lead helped recruit 10 South Asian primary care physicians. A total of 13 organizations participated in brainstorming. Of the 13, seven were community service organizations (entities that routinely provide outreach and education to South Asian residents for the purpose of relocation assistance, health promotion, etc. but do not plan or provide cancer screening services), and six were health service organizations (public health, provincial health service program delivery, local clinical service delivery). Representatives from community service (seven senior managers, two health promoters, one case manager, one volunteer outreach coordinator) and health services organizations (four senior managers, two public health nurses, one project coordinator, one diversity support specialist) were identified through a collaborative effort by all partners.
From the group of participants in the brainstorming sessions, we invited residents that spoke English, primary care providers, and organizations to participate in sorting and rating. We also extended sorting and rating invitations to potential participants that were referred to us by participants in the brainstorming sessions. The 46 community members that participated in sorting and rating included South Asian residents (n = 15, eight men and seven women), five primary care providers and 17 organizations (11 community service, 6 health service). Representatives from community service organizations included: nine senior managers, two settlement counselors, one community services coordinator) and representatives from health service organizations included: eight senior managers, two health promoters, one community services coordinator, one project coordinator, one diversity support specialist, one public health nurse). They ranged in age from 18 to 49 years (70%) to 50 to 69 years (30%), and were female (70%) and male (30%). The lower number of participants in sorting and rating was due to lower participation by primary care providers and our decision to not recruit Punjabi and Urdu speaking residents because of budget constraints.
During brainstorming, participants worked in groups to generate statements in response to the focus prompt, ‘A barrier to use of mammograms, Pap tests, or fecal occult blood tests among South Asians in Peel is ______________?.’ We conducted ten brainstorming sessions. On the recommendation of our community partners, we held separate sessions for male and female residents, led by facilitators representing the same gender as participants, to minimize the discomfort of discussing personal health issues in a group. Brainstorming sessions in Urdu and Punjabi were led by lay facilitators from the community who had been trained by research staff. Following these sessions, the statements collected in Urdu and Punjabi were translated to English by qualified translators. The session with representatives from community organizations was held separately from the session with representatives from health service and public health organizations. The brainstorming sessions generated 290 statements. Two authors (RL and AP) used an independent review process with iterative meetings for comparison analyses to synthesize statements that were ascertained from multiple brainstorming sessions, reduce ideas to eliminate redundancy, and edit statements for clarity. The final list of statements included 45 unique barriers to use of mammograms, Pap tests, or FOBTs among South Asians in Peel.
Sorting and rating
The majority of participants completed sorting and rating in-person with the exception of eight representatives from organizations who completed sorting and rating using the web-based Concept Systems software version 4.0175, Concept Systems, Inc. (Ithaca, NY). During sorting and rating sessions, the participants worked on an individual basis to sort statements into conceptually similar groups. Following the sorting activity, we administered four rating surveys to participants. Three surveys asked participants to rate each barrier based on, ‘How likely is it that addressing this barrier would increase the use of [specific test] among South Asians?,’ where the specific tests were mammograms, Pap tests, and FOBTs. A fourth survey measured the feasibility of addressing each barrier based on, ‘How strongly do you agree with the statement, It would be easy for the Peel community to remove this barrier within two to three years?.’ Response options were on a continuous scale for surveys one to three (1. extremely unlikely – 6. extremely likely) and survey four (1. strongly disagree – 6. strongly agree).
The analysis for sorting, rating, and comparison of ratings was also performed using the Concept Systems software. The software uses multi-dimensional scaling to create a point map based on sorting data. The point map shows the spatial relationships among statements with the goodness of fit indicated by a stress value. The stress value associated with our analysis was 0.2641, a value within acceptable limits for goodness of fit (<0.365) . Details of the multi-dimensional scaling analysis are described in detail elsewhere [44, 45]. Next, the software uses hierarchical cluster analysis to create a cluster map that partitions the statements on the point map into conceptual domains [44, 45, 47]. ‘No simple mathematical criterion is available by which a final number of clusters can be selected’ , p.13, because the ‘best’ number of clusters ‘depends on the level of specificity desired and the context at hand’ , p.316. Instead of using a statistical criterion to determine the final number of clusters, we asked experts in cancer control planning to examine different cluster solutions to interpret the best number of clusters and grouping of statements. This approach is standard for concept mapping [44, 45, 47]. It is important to note that the spatial position of the statements never change in the cluster map because the statement’s position is determined by the multi-dimensional scaling. However, the clusters, formed by circles around the statements, can be influenced by asking the concept system software for a specific solution (e.g., ten-cluster, nine-cluster, etc.) or by using the software to place a specific statement in a specific cluster. The flexibility with deciding the final groupings for the statements invites the community to take ownership of the data and create information from the data that is meaningful to them [44, 45, 47]. Using the software, we created a visual display of the clusters (concept maps) with the statement numbers assigned by the concept mapping system. We computed the average ratings for each barrier and each cluster of barriers, and estimated the simple linear correlation in average ratings for groups using the Pearson correlation coefficient (r2). We report average ratings across subgroups of residents, and representatives from community service and health service organizations.
We used a research-processing stage and participant-processing stage to interpret the final number of clusters and grouping of statements . The research-processing stage consisted of two study investigators (RL and AP) examining different cluster solutions and observing the clusters that were merged from the upper limit of clusters (n = 10) to the lowest limit (n = 5) [44, 48]. The study investigators decided to present a seven-cluster solution to stakeholders in the participant-processing stage because the statements within the clusters were conceptually similar to each other and discrete from statements in other clusters (Figure 2a) .
The participant-processing stage consisted of an interpretation session during which study investigators (RL and AP) presented the seven-cluster solution to nine community leaders (one primary care physician, four representatives from community service organizations, and four representatives from public health and health service organizations). Four residents who attended earlier sessions were also invited to the interpretation session but were not able to attend due to work or school related commitments. Consistent with other concept mapping studies, community leaders examined each statement and discussed whether the number of clusters and statements within the clusters were most appropriate for program planning [44, 45, 47]. The community leaders agreed with the seven-cluster solution and the names for the clusters. Although, they expressed the opinion that some barriers could be representative of more than one cluster and suggested that we move two barriers to other clusters. As a result of this suggestion, we moved the barrier ‘education programs do not offer materials that are well translated and culturally appropriate’ (statement 34) from the cluster labeled ‘health education programs’ to ‘ethno-cultural discordance with the health system,’ and the barrier ‘patient is concerned about the cost associated with tests’ (statement 11) from ‘patient’s beliefs, fears, lack of social support’ to the cluster labeled ‘costs.’ By moving these statements the final concept map (Figure 2b) had overlapping clusters. While concept mapping ideally strives for a clustering solution that does not have overlapping clusters , the researchers felt it was more important to have the final map represent the community leaders’ viewpoints since they were ultimately the ones who would use the data.
The final list of barriers, statement numbers, and cluster descriptions are provided in Table 1. The clusters included: patient’s beliefs, fears, and lack of social support (eleven statements); cost (three statements); limited knowledge among residents (seven statements); ethno-cultural discordance with the health system (four statements); limited knowledge among physicians (seven statements); health education programs (four statements); and the health system (nine statements). The concept map (Figure 2b) shows the relationships among these clusters. The close proximity of health system, ethno-cultural discordance, and health education programs clusters on the concept map shows how barriers within these cluster are more related to each other than to barriers in clusters that are further away (limited knowledge among physicians or residents; cost; patients beliefs, fears, lack of social support). The smaller size of the limited knowledge among physicians, limited knowledge among residents and health education clusters indicates that barriers in these clusters were more frequently sorted together than the barriers in larger clusters (health system; ethno-cultural discordance; patient beliefs, fears lack of social support). The overlap in two clusters reflects the community leaders’ opinions on the conceptual overlap among statements in the ethno-cultural discordance and health education clusters.
Overall, three clusters consistently ranked highest for all surveys (importance for each of mammography, Pap test, and FOBT and feasibility): ‘limited knowledge among residents,’ ‘ethno-cultural discordance,’ ‘health education programs.’ Clusters of barriers related to ‘cost’ and ‘patient’s beliefs, fears, lack of social support’ consistently ranked as lowest in importance. There were a few instances when subgroups of participants differed in opinions on the three clusters with the highest ratings. ‘Cost’ ranked second among residents for the FOBT survey and ‘limited knowledge among physicians’ ranked third among representatives from health service organizations for the feasibility survey. Residents ranked ‘limited knowledge among physicians’ lowest for all surveys but this cluster was ranked third for the feasibility survey and fourth for all other surveys among representatives from health service organizations (Table 2).
We found the correlation in ratings for clusters among residents and representatives from health service organizations was substantially weaker compared to the correlation in ratings for clusters for other bivariate comparisons (Table 3). The weakest correlation in ratings for clusters was for residents and representatives from health service organizations for the feasibility survey (r2 = 0.24). Correlations in ratings for clusters among residents and representatives from community service organizations were strong for the cancer screening surveys (r2 = 0.80-0.84), and relatively weak for the feasibility survey (r2 = 0.54). The correlation in ratings for clusters among representatives from community service and health service organizations was r2 = 0.77 or higher for all surveys.
The limited reach of population-based cancer control programs to racial and ethnic minority groups is a critical implementation issue that requires attention. Many studies have explored barriers to cancer screening from the perspective of women and some have examined the perspectives of primary care providers. However, the perspectives of representatives from stakeholder organizations are equally as important given that successful implementation of EBIs is associated with the inner context of organizations (e.g., readiness to adopt, leadership, culture), individuals within organizations (e.g., values, social networks perceived need for change), and the outer context such as sociopolitical factors (e.g., legislations, monitoring and review), funding (e.g., grants and continuity of funding), client advocacy (e.g., consumer organizations, lawsuits), and inter-organizational networks (e.g., professional organizations, leadership ties, communication) [35–40]. To date, the research on strategies to improve use of cancer screening shows that greater reach among racial and ethnic groups can be achieved when programs take into account the language and cultural characteristics of the target population, provide support to reduce logistical barriers (e.g., transportation, appointment making), and use multi-level strategies [4, 5, 34, 49]. However, whether these strategies are adopted will depend on organizational perspectives on the related barriers.
Little is known about the perspectives of representatives from health service (e.g., community health centers, primary care providers, hospitals, mammography facilities, public health) and community service organizations (e.g., health and fitness groups, settlement agencies, et al.) on barriers to use of mammography, Pap tests, and FOBTs among racial and ethnic minority groups. This study contributes new knowledge to implementation research in this area by examining which barriers are viewed by representatives from stakeholder organizations as most important and feasible to address to increase cancer screening among South Asians. We found considerable agreement among residents and representatives from organizations on the importance of the top barriers to cancer screening for South Asians. Notwithstanding the concurrence of these opinions, overall agreement in the ranking of clusters of barriers by residents and representatives from health service organizations was low. In particular, rankings were discordant for barriers associated with ‘cost’ and ‘limited knowledge among physicians,’ which suggest that important factors could be overlooked if only one stakeholder opinion is taken into account when planning health promotion programs. For example, if program developers prioritize implementation strategies to remove barriers to cancer screening based only on the perspective of South Asian residents then the need to address ‘limited knowledge among physicians’ might be overlooked, despite physician recommendation being among the strongest predictors of cancer screening [13, 50–54].
We found that residents’ perspectives on which barriers to cancer screening are most important to address and feasible to change are more closely aligned with representatives from community service organizations than health services organizations. This finding could be due to the similar ethnic characteristics of residents and employees of community service organizations. In addition, representatives from community service organizations gain a broader understanding of their clients’ perspectives through ongoing discussions about social and economic factors, even at the level of executive director because of the ‘hands-on’ nature of this role in small organizations. In contrast, communication between clients and representatives from health service organizations tends be limited to biomedical characteristics of clients, and client contact is limited to clinical and clinical support staff.
Furthermore, our results suggest opportunities for health service and community service organizations to work together to remove ethno-cultural barriers to cancer screening for South Asians. Representatives from both types of organizations ranked the ‘ethno-cultural discordance’ cluster among the top three important barriers for all three cancer screening tests. Yet only representatives from community service organizations ranked ethno-cultural discordance as feasible to address. We interpret this pattern of responses as being reflective of the expertise in community service organizations to address ethno-cultural barriers to cancer screening for South Asians and the lack of this expertise in health service organizations. Community service organizations are generally staffed by employees who are culturally representative of the clients they serve and have skills in interpretation and translation of medical information. In addition, foreign trained medical professionals often work in community service organizations because it is difficult for them to gain accreditation in the Canadian health system . This is among the reasons why health service organizations are generally understaffed in employees who are culturally representative of the populations they serve. Recently, Canada implemented strategies to improve the timely assessment and recognition of foreign trained medical personnel including bridge-to-licensure programs for licensed practical nurses, medical radiation technologists, and physicians . However, this gap in skills among employees of health organizations highlights opportunities for collaboration with community service organizations to remove ethno-cultural barriers to cancer screening for South Asians.
Findings from our study inform the field of implementation science by identifying ways in which stakeholders’ opinions about barriers to use of an EBI can differ. In addition, our analysis highlighted potential strategies by which these differences could be used to address barriers to cancer screening for South Asians. Because our study uses the KTA framework, our findings also contribute to the action cycle through which research is translated to action.
Through the participatory processes of concept mapping our community advisory group has grown from the initial three partners to 12 organizations. In phase two of this study we are engaging in multiple activities with the advisory group to utilize the concept mapping results. First, we discussed potential EBIs, based on the Guide to Community Preventive Services [4, 5, 57], to address the top three barriers to cancer screening that were identified by the community and barriers in the ‘limited knowledge among physicians’ cluster that were identified as important by health service organizations. From these discussions, we identified resources to support implementation of patient targeted, physician targeted, and health system targeted interventions. For example, a lay health advisor intervention is being developed with support from the Canadian Cancer Society. This intervention will include group education sessions for residents at local community service organizations and potentially South Asian screening clinics or blocked times for appointments with female physicians. Using logic models researchers and members of the advisory group developed a shared understanding of resources, activities, outputs, and outcomes for a multi-level intervention program (patient, provider, and health system level) to increase cancer screening among South Asians in Peel. To further inform the availability of and gaps in resources to support these interventions, we conducted a survey of all community service and health service organizations that provide services to promote cancer screening in Peel. When analyzed, the survey will inform us about the types of services organizations provide to promote cancer screening (e.g., outreach and education, navigation, clinic services), the inter-organizational relationships (e.g., communication, referral, collaboration) that support the delivery of the services, and the gaps in services that we need to fill through additional partnerships and resources. Following our accomplishment of a clearly defined intervention to improve rates of cancer screening among South Asians, we will seek funding for phase three in which we will examine the effect of change strategies on implementation of the multi-level cancer screening program.
Despite the strengths of this study, some limitations should be noted. We had limited participation from primary care physicians in the sorting and rating phase (n = 5) and no participation from residents in the interpretation phase. However, the impact of this limitation is minimal for two reasons. First, we were primarily interested in the organizational level perspective, not specifically primary care provider opinions, and physicians represented 26% (5/19) of the responses from representatives from health service organizations. Second, residents might not have felt comfortable speaking their opinions with a group of community leaders in the interpretation session. Fortunately, the multi-phase nature of our project will allow us to seek input on program development from South Asian residents at another point in the study. The generalizability of our findings to other provinces in Canada, to other countries, or healthcare settings may be limited because the perceptions of which barriers are most important and feasible to address will be influenced by local health policy, infrastructure, and practices. However, the methods used to conduct our study can be applied in other settings, and the general differences in opinion that we observed among stakeholders groups are likely representative of what we would find in other regions.
By using concept mapping, we identified barriers to cancer screening in the region of Peel that can be utilized in latter stages of the KTA process. Equally important was that concept mapping engaged a diverse range of stakeholders from the national level (e.g., Canadian Cancer Society), provincial level (Cancer Care Ontario), regional level (Peel Public Health, regional cancer center) and local level (e.g., hospitals, community health centers, community service organizations) that will make the implementation process relevant, feasible, and sustainable moving forward . Participatory research methods combined with an overarching KTA framework can facilitate the translation of research to action.
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Production of this research would not have been possible without the support of our community partners Cancer Care Ontario, Peel Public Health, and Punjabi Community Health Services. The authors thank the community stakeholders who participated in this study.
The authors declare that they have no competing interests to disclose. Funding for support of Drs. Lobb, Pinto, and Lofters work on this project was provided by the Canadian Institutes for Health Research, and the Ontario Ministry of Health and Long-Term Care.
RL contributed to the theoretical background, conceptualization of the study, supervised the acquisition, analyses, and interpretation of the data, had the final approval of the version of the manuscript to be published. AP contributed to the acquisition, analysis, and interpretation of the data, and provided important intellectual content to the preparation of the manuscript. AL contributed to the conceptualization of the study, analysis, and interpretation of the data, and provided important intellectual content to the preparation of the manuscript. All authors read and approved the final manuscript.
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Lobb, R., Pinto, A.D. & Lofters, A. Using concept mapping in the knowledge-to-action process to compare stakeholder opinions on barriers to use of cancer screening among South Asians. Implementation Sci 8, 37 (2013). https://doi.org/10.1186/1748-5908-8-37