1 From the Departments of Internal Medicine and Community Health Sciences (R.A.M.), University of Manitoba, Winnipeg, Canada; and Sylvia Lawry Centre for Multiple Sclerosis Research eV-The Human Motion Institute (M.D.), Munich, Germany. rmarrie@exchange.hsc.mb.ca.
2 From the Departments of Internal Medicine and Community Health Sciences (R.A.M.), University of Manitoba, Winnipeg, Canada; and Sylvia Lawry Centre for Multiple Sclerosis Research eV-The Human Motion Institute (M.D.), Munich, Germany.