Glen C Jickling1, Thiago L Russo2. 1. From the Division of Neurology (G.C.J.), University of Alberta, Edmonton, Canada; and Physical Therapy Department (T.L.R.), Federal University of São Carlos, Brazil. glenj@ualberta.ca. 2. From the Division of Neurology (G.C.J.), University of Alberta, Edmonton, Canada; and Physical Therapy Department (T.L.R.), Federal University of São Carlos, Brazil.