Affiliation: | (1) Trauma Center West-Netherlands, Section of Traumatology, Department of Surgery, K6-R, Leiden University Medical Center, P.O. Box 9600, 2300 RC Leiden, The Netherlands;(2) Department of Medical Statistics, Leiden University Medical Center, Leiden, The Netherlands;(3) Trauma Center West-Netherlands, Section of Traumatology, Department of Surgery, Leyenburg Hospital, The Hague, The Netherlands;(4) Trauma Center West-Netherlands, Section of Traumatology, Department of Surgery, Haaglanden Medical Center, The Hague, The Netherlands |