1. Trauma Unit, Department of Surgery, Academic Medical Center Amsterdam, the Netherlands
2. Clinical Research Unit, Academic Medical Center, Amsterdam, the Netherlands
3. Department of Surgery, Onze Lieve Vrouwe Gasthuis East Amsterdam, the Netherlands
4. Department of Surgery, Flevo Hospital, Almere, the Netherlands
5. Department of Surgery, Haaglanden Medical Center Den Haag, the Netherlands
6. Department of Surgery, Medical Center Alkmaar Alkmaar, the Netherlands
7. Department of Surgery, Alrijne Hospital Leiderdorp, the Netherlands
8. Department of Surgery, Deventer Hospital Deventer, the Netherlands
9. Department of Surgery, Catharina Hospital Eindhoven, the Netherlands
10. Department of Surgery, Spaarne Gasthuis Hoofddorp, the Netherlands
11. Department of Microbiology, Academic Medical Center Amsterdam, the Netherlands
12. Department of Surgery, BovenIJ Hospital Amsterdam, the Netherlands
13. Department of Surgery, Onze Lieve Vrouwe Gasthuis West Amsterdam, the Netherlands
14. Department of Surgery, Spaarne Gasthuis Haarlem, the Netherlands
15. Department of Surgery, Amphia Hospital Breda, the Netherlands
16. Department of Surgery, Westfries Gasthuis Hoorn, the Netherlands