1. Department of Orthopaedic Surgery and Traumatology; Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne (UNIL); Pierre-Decker 4 CH-1011 Lausanne Switzerland
2. Laboratory of Movement Analysis and Measurement (LMAM); École Polytechnique Fédérale de Lausanne (EPFL); Lausanne Switzerland
3. Rehabilitation Engineering Laboratory, Toronto Rehabilitation Institute - University Health Network and Institute of Biomaterials and Biomedical Engineering - University of Toronto; Canada
4. Clinique La Colline; 6 av. de Beau-Séjour CH-1206 Genève Switzerland