Core and peripheral organisations in prevention: Insights from social network analysis.

To our knowledge, it is new to identify inherent or "pre-existing" core-periphery structures in interorganisational health promotion. Yet, core-periphery structures are common in many social settings. They advantage entities in the core and are prone to further entrenchment. SO WHAT?: Our results map and quantify intuitive understandings about organisational "key players", thus enabling practitioners/organisations to critically reflect on what their role should be when it comes to activating communities ie to embed, or attempt to counterbalance, pre-existing power structures.