1 Center of Orthopaedics and Traumatology, University Hospital Brandenburg/Havel, Brandenburg Medical School Theodor Fontane, Brandenburg a.d.H., Germany. Robert.Prill@mhb-fontane.de.
2 Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, Brandenburg a.d.H., Germany. Robert.Prill@mhb-fontane.de.
3 Department of Orthopaedic Surgery, Clinique d'Eich - Centre Hospitalier de Luxembourg, Luxembourg, Luxembourg.
4 Luxembourg Institute of Research in Orthopaedics, Sports Medicine and Science, Luxembourg, Luxembourg.
5 Institute of Biostatistics and Analyses, Faculty of Medicine, Czech National Centre for Evidence-Based Healthcare and Knowledge Translation (The Czech Republic Centre for Evidence-Based Healthcare: The JBI Centre of Excellence, Cochrane Czech Republic, Masaryk University GRADE Centre), Masaryk University, Brno, Czech Republic.
6 Ergonomics and Biomedical Monitoring Laboratory, Department of Physiotherapy, Faculty of Health Sciences, Wroclaw Medical University, Wroclaw, Poland.
7 Department of Orthopaedics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
8 Center of Orthopaedics and Traumatology, University Hospital Brandenburg/Havel, Brandenburg Medical School Theodor Fontane, Brandenburg a.d.H., Germany.
9 Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, Brandenburg a.d.H., Germany.