1. Faculty of Medicine; University of Montreal; Montreal Canada
2. Research Centre; Institut Universitaire de Gériatrie de Montréal; Montreal Canada
3. Department of Radiology; Centre Hospitalier de l'Université de Montréal; Montreal Canada
4. Research Centre of the Centre Hospitalier de l'Université de Montréal; Montreal Canada
5. School of Physical Therapy; University of Saskatchewan; Saskatchewan Canada
6. Department of Obstetrics & Gynecology; Maisonneuve Rosemont Hospital; Montreal Canada
7. Department of Urology; Jewish General Hospital; McGill University; Montreal Canada