1. From the Institute for Clinical Evaluative Sciences (M.K.K., A.L., J.F., J.R., J.V.T.), Toronto, Ontario, Canada; the Division of General Internal Medicine and Clinical Epidemiology and Women’s Health Program (M.K.K), University Health Network, Toronto, Ontario, Canada; the Clinical Epidemiology and Health Care Research Program and Division of General Internal Medicine (A.L., J.V.T.), Sunnybrook and Women’s College Health Sciences Centre, Toronto, Ontario, Canada; the Division of Neurology (F.L.S.),...