1. Department of Neurosciences, Research Institute for Health Sciences and Technology, University of Mons, 7000 Mons, Belgium
2. Faculty of Medicine and Health Sciences, Rehabilitation Sciences and Physiotherapy (MOVANT), University of Antwerp, 2610 Antwerpen, Belgium
3. Orthopedic Department, University Hospital, 2650 Antwerp, Belgium
4. Department of Sport and Rehabilitation Sciences, University of Liège, 4000 Liège, Belgium
5. Department of Primary Health Care and General Practice, University of Otago, Wellington 6021, New Zealand