1. Department of Radiology, University Hospital Erlangen, Germany
2. Muscle Research Center Erlangen, Interdisciplinary Center for Muscle Research, Friedrich-Alexander-University Erlangen-Nuremberg, Germany
3. Department of Orthopedic and Trauma Surgery, Sportsorthopedics and Sportsmedicine, Klinikum Bamberg, Germany
4. Department of Movement and Training Science, University of Wuppertal, Germany
5. High Performance Sports Commission, German-Austrian-Swiss Society for Orthopaedic Traumatologic Sports Medicine (GOTS)
6. Department of Orthopedic, Trauma and Hand Surgery, Klinikum Osnabrück, Germany
7. B·A·D Group, Darmstadt, Germany
8. Department of Orthopedic Surgery, Friedrich-Alexander-University Erlangen-Nuremberg, Germany
9. Department of Molecular and Cellular Sports Medicine, Institute of Cardiovascular Research and Sports Medicine, German Sport University Cologne, Cologne, Germany