1. Faculté de Médecine, Départment des Sciences de la Motricité, Université de Liège, Liège, Belgium
2. Service de Médecine Physique et Réadaptation, Cliniques universitaires Saint-Luc, Brussels, Belgium
3. Cabinet Ducarme-Gustin, Brussels, Belgium
4. Cabinet de Kinésithérapie, Uccle, Belgium
5. Department of Physical Therapy, College of Applied Health Sciences, University of Illinois at Chicago, Chicago, IL, USA
6. School of Health Sciences and Human Performance, Ithaca College, Ithaca, NY, USA