1. Outpatient Clinic, Sports Medicine & Sports Orthopaedics, University of Potsdam, Potsdam, Germany
2. Faculty of Science and Technology, University of Westminster, London, UK
3. Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
4. Department for Life Quality Studies, University of Bologna, Rimini, Italy
5. Cardiff School of Sport, Cardiff Metropolitan University, Cardiff, UK
6. Department of Sport Medicine, Charité – Universitätsmedizin Berlin, Berlin
7. Department for Sport Science, Bundeswehr University Munich, Munich, Germany
8. Department of Internal Medicine/Cardiology and Angiology, Ernst-von-Bergmann Clinic, Potsdam, Germany
9. Clinic of Traumatology and Orthopedics, Bundeswehr Hospital Berlin, Berlin, Germany
10. Dieter Scheffner Center for Medical Teaching and Educational Research, Charité – Universitätsmedizin Berlin, Berlin, Germany