1. Ergonomics and Biomedical Monitoring Laboratory Department of Physiotherapy Faculty of Health Sciences Wroclaw Medical University Tytusa Chalubinskiego 3 50‐368 Wroclaw Poland
2. Department of Orthopaedics, Traumatology and Hand Surgery Faculty of Medicine Wroclaw Medical University Wroclaw Poland
3. Department of Orthopaedics Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
4. Department of Orthopaedic Surgery Clinique d’Eich–Centre Hospitalier de Luxembourg Luxembourg City Luxembourg
5. Luxembourg Institute of Research in Orthopaedics Sports Medicine and Science Luxembourg City Luxembourg
6. Center of Orthopaedics and Traumatology University Hospital Brandenburg/Havel Brandenburg Medical School Theodor Fontane Brandenburg a.d.H. Germany
7. Faculty of Health Sciences Brandenburg Brandenburg Medical School Theodor Fontane Brandenburg a.d.H. Germany