1. Department of Trauma Surgery, Northwest Clinics, Alkmaar, the Netherlands,
2. Department of Trauma Surgery, Amsterdam University Medical Center, Amsterdam, the Netherlands,
3. Orthopaedic Trauma Institute, Institute for Global Orthopaedics and Traumatology, Department of Orthopaedic Surgery, University of California, San Francisco, Zuckerberg San Francisco General Hospital, San Francisco, CA