1. Universitatsklinikum Dusseldorf
2. Institute for Emergency Medicine and Management in Medicine, University Hospital of Munich LMU, Munich
3. Department of Trauma Surgery and Orthopaedics, Reconstructive Surgery and Hand Surgery, Burn Medicine, German Armed Forces Central Hospital Koblenz
4. Accident and Reconstructive Surgery Department /Emergency Department, Hospital of the Brothers Hospitallers Trier
5. Institute for Research in Operative Medicine (IFOM), Health Care Faculty, Witten/Herdecke Private University
6. Department of General-, Visceral-, Thoracic- and Trauma Surgery, Hospital of the Augustinians "Severinsklösterchen", Cologne
7. Department of Orthopaedics and Trauma Surgery, University Hospital Essen
8. Department and Polyclinic of Accident, Hand and Reconstructive Surgery, University Hospital Münster
9. Department of Trauma and Reconstructive Surgery, Diakonie Clinic Jung Stilling Siegen
10. Department of Trauma, University Hospital Zurich
11. Department of Surgical Medicine, Surgery I, University Hospital Leipzig
12. Accident and Orthopedic Surgery Department, BG Hospital, Frankfurt am Main
13. Department of Surgery, BG University Hospital Bergmannsheil, Bochum