1. Department of Surgery, Alrijne Hospital, Simon Smitweg 1, 2353 GA Leiderdorp, Leiden, The Netherlands.
2. Department of Operational Healthcare, Royal Netherlands Air Force Command, Ministry of Defense, Luchtmachtplein 1, 4822 ZB Breda, The Netherlands.
3. Defense Healthcare Organization, Ministry of Defense, Herculeslaan 1, 3584 AB Utrecht, The Netherlands.
4. Force Health Protection, Expert Centre Force Health Protection, Ministry of Defense, Korte Molenweg 3, 3941 PW Doorn, The Netherlands.
5. Department of Surgery, Central Military Hospital, Ministry of Defense, Lundlaan 1, 3584 EZ Utrecht, The Netherlands.
6. Department of Orthopedic Surgery, Central Military Hospital, Ministry of Defense, Lundlaan 1, 3584 EZ Utrecht, The Netherlands.
7. Department of Trauma, Division of Surgery, University Medical Center Utrecht, Heidelberglaan 100, 3585 GA Utrecht, The Netherlands.
8. Departments of Traumatology and Vascular Surgery, Division of Surgery, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands.