1. From the Duke Clinical Research Institute, Durham, NC (Y.X., P.J.S., M.C., A.F.H., B.L.L., E.D.P.); Department of Neurology, University of Rochester Medical Center, NY (R.G.H.); Department of Clinical Neurosciences and Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada (E.E.S.); Department of Neurology, Massachusetts General Hospital, Boston (L.H.S.); Department of Epidemiology, Michigan State University, East Lansing (M.J.R.); Department of Medicine, Brigham and Women’s...