Fig. 1From: Understanding professional advice networks in long-term care: an outside-inside view of best practice pathways for diffusionSimple professional advice network diagram. Opinion leader = had high in-degree centrality scores (number of incoming ties from others in the network). Boundary spanner = had high betweenness centrality scores and had at least one outgoing tie and one incoming tie from others. Advice seekers = had at least one outgoing tieBack to article page