1. Department of Surgery; McCaig Institute for Bone and Joint Health; University of Calgary; 3330 Hospital Dr. NW Calgary Calgary Alberta Canada T2N4N1
2. Department of Physical Therapy; Faculty of Medicine; University of British Columbia; Vancouver British Columbia Canada
3. Médecine du Sport SSMSMédecine Physique et Rééducation FMHMédecine de Montagne SSMM; Latour Sport MedicineAvenue J.-D. Maillard; 3CH-1217 Meyrin/Genève