1. Department of Orthopaedics, University of Lund, Malmö University Hospital, Lund, Sweden
2. Department of Orthopaedics, Hässleholm/Kristianstad, Lund, Sweden
3. Department of Coagulation Disorders, University of Lund, Malmö University Hospital, Lund, Sweden
4. Department of Diagnostic Radiology, University of Lund, Lund, Sweden