1. Department of Orthopaedic Sports Medicine; Technical University of Munich; Munich Germany
2. AO Research Institute; Davos Switzerland
3. Clinic of Orthopaedics and Sport Orthopaedics; Technical University of Munich; Munich Germany
4. Department of Trauma Surgery; Technical University of Munich; Munich Germany
5. Institute of Energy Conversion Technology; Technical University of Munich; Munich Germany
6. Department of Trauma Surgery; University Medical Center; Albert-Ludwigs University Freiburg; Freiburg Germany
7. Chair of Electric Energy Production and Distribution; University of the German Armed Forces; Munich Germany