|#1. Structure, organization, functioning|
| ✓ How frequently are you in contact with other TNO members? How often does the TNO meet as a group?|
✓ Can you describe the organizational structure of the TNO: is it rather hierarchically or horizontally organized?
✓ Do you know whom to turn to in difficult situations? Have you already made use of this knowledge?
✓ Could you describe how decisions are made within the trauma network? Are the decision-making processes usually collective, are they transparent?
✓ What role does the leader of the TNO play in the network’s structure?
|#2. Climate, reciprocity, trust|
| ✓ Do you trust the other TNO members?|
✓ In the group of TNO members, are you supportive of each other? Have you already done a favor to other TNO members, and vice versa? Is there something like solidarity within the TNO?
✓ Can you speak openly about problems? Are dissenting contributions and discussions valued?
|#3. Social identity|
| ✓ Do you have ideas and perspectives similar to other TNO members?|
✓ Are you pursuing the same goals?
|#4. Resources & benefits 1: Knowledge resources: Knowing each other|
| ✓ By being part of the Trauma Network Eastern Bavaria (TNO), do you know more trauma surgeons from other hospitals than before?|
✓ Does the TNO help you appraise your colleagues’ expertise and their personal qualities better?
|#5. Resources & benefits 2: Facilitation of interactions, collective activities, advocacy, power|
| ✓ How has participating in the trauma network changed the co-operation with the other TNO hospitals? (prompts: communication, consultation, training, patient transfers)|
✓ Are you able to influence certain events with the support of the other TNO members? E.g. influence policy makers?
✓ Have you already been involved in common activities of the TNO? Have you jointly advocated for your interests?
✓ Were you able to achieve a goal by collectively getting active?
|#6. Resources & benefits 3: Outcomes on patient care and work satisfaction|
| ✓ In your opinion, does the cooperation in the TNO influence the quality of patient care?|
✓ In your opinion, has the cooperation in the TNO an effect on your hospital’s success?
✓ Has being part of the TNO influenced your motivation to work?