1. Department of Sporttraumatology, Knee and Shoulder Surgery, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Frankfurt, Germany
2. Department of Orthopaedics and Rheumatology, University Hospital Marburg, Marburg, Germany
3. Clinic of Orthopedics and Traumatology, Technical University, Munich, Germany
4. Department of Trauma and Orthopedic Surgery, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Frankfurt, Germany
5. Deceased