Institution: | 1. Department of Orthopedics and Rheumatology, University Hospital Marburg, Baldingerstrasse, 35037 Marburg, Germany;2. Department of Surgery, St Mary''s Hospital, 1054 Martin Luther King Drive, Centralia, IL 62801, USA;3. Sporthopaedicum Straubing, Bahnhofplatz 27, 94315 Straubing, Germany |