1. Department for Diagnostic and Interventional Radiology, University Hospital Tuebingen, Tuebingen, Germany
2. Department of Trauma, Hand, Plastic and Reconstructive Surgery, University Hospital Wuerzburg, Wuerzburg, Germany
3. Centre for Clinical Studies, University Medical Centre Regensburg, Regensburg, Germany
4. Department of Orthopaedics, Sports Medicine Unit, Hillel Yaffe Medical Center (HYMC), Hadera, Israel
5. Rappaport Faculty of Medicine, Technion (Israel Institute of Technology), Halifax, Israel