1. Department of Orthopedics, University Medical Center, Rostock, Germany
2. Department of Orthopedics and Trauma Surgery, Sozialstiftung Bamberg, Germany
3. Department of Trauma Surgery, Friedrich-Alexander University Erlangen-Nuremberg, Germany
4. Department of Orthopedic Surgery, Friedrich-Alexander University Erlangen-Nuremberg, Germany
5. Orthopedic Surgeon, Department of Orthopedic, Trauma and Hand Surgery, Klinikum Osnabrück, Germany
6. Extracorporeal Shock Wave Research Unit, Institute of Anatomy, Ludwig-Maximilian University Munich, Germany
7. Department of Anatomy II, Ludwig-Maximilian University Munich, Germany