1. Trauma Unit, Department of Surgery, Biostatistics and Bioinformatics, Academic Medical Centre, Amsterdam, The Netherlands
2. Department of Traumatology, VU University Medical Centre, Amsterdam, The Netherlands
3. Department of Radiology, Biostatistics and Bioinformatics, Academic Medical Centre, Amsterdam, The Netherlands
4. Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Centre, Amsterdam, The Netherlands