1Trauma Unit, Department of Surgery, Amsterdam UMC, Location Academic Medical Center, University of Amsterdam, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands
2Department of Surgery, Spaarne Gasthuis, P.O. Box 770, 2130 AT Hoofddorp, The Netherlands
3Emergency Department, Amsterdam UMC, Location Academic Medical Center, University of Amsterdam, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands
4Department of Surgery, Tergooi Hospitals, P.O. Box 10016, 1201 DA Hilversum, The Netherlands
5Department of Surgery, Onze Lieve Vrouwe Gasthuis, P.O. Box 95500, 1090 HM Amsterdam, The Netherlands
6Department of Trauma and Hand Surgery, Maasstad Hospital, P.O. Box 9100, 3007 AC Rotterdam, The Netherlands