1. Ergonomics and Biomedical Monitoring Laboratory, Department of Physiotherapy, Faculty of Health Sciences Wroclaw Medical University Wroclaw Poland
2. Department of Orthopaedics, Traumatology and Hand Surgery, Faculty of Medicine Wroclaw Medical University Wroclaw Poland
3. Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
4. Department of Orthopaedics, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
5. Center of Orthopaedics and Traumatology University Hospital Brandenburg/Havel, Brandenburg Medical School Theodor Fontane Brandenburg a.d.H. Germany
6. Faculty of Health Sciences Brandenburg Brandenburg Medical School Theodor Fontane Brandenburg a.d.H. Germany