From the Departments of Physiotherapy (K.S.H.), Medicine and Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Heidelberg, Victoria, Australia; Rehabilitation Sciences Graduate Research Program (J.K.F., L.A.B.), University of British Columbia, Vancouver, British Columbia, Canada; Physical Therapy and Neurology (K.R.L.), Washington University School of Medicine in Saint Louis, MO; Division of Physical Therapy (M.R.B.), Department of Rehabilitation Medicine, Emory University School of Medicine, Atlanta, GA; School of Health Sciences (A.B.), Department of Physical Therapy, College of St. Scholastica, Duluth, MN; Department of Allied Health Sciences (J.M.C.), University of North Carolina at Chapel Hill, NC; Department of Neurology (S.C.C.), University of California Los Angeles; California Rehabilitation Institute (S.C.C.), Los Angeles, California; Department of Clinical Neurosciences (S.P.D., S.E.F.), Cumming School of Medicine, University of Calgary, Alberta, Canada; School of Kinesiology (R.L.H.), University of Minnesota, Minneapolis; Chan Division of Occupational Science and Occupational Therapy (S.-L.L.), Biokinesiology and Physical Therapy, Biomedical Engineering, and Neurology, USC Stevens Neuroimaging and Informatics Institute, University of Southern California, Los Angeles; Université de Montréal (J.L.N.), École de Kinésiologie et des Sciences de l’activité Physique, Faculté de Médecine, and Centre de recherche de l’institut universitaire de gériatrie de Montréal, Quebec, Canada; and Physical Therapy Program (J.C.S.), Department of Exercise Science, University of South Carolina, Columbia.