From the NIHR–Wellcome Trust King’s Clinical Research Facility and SLaM Biomedical Research Centre, King’s College London, and King’s College Hospital, London (P.J.G.); the Department of Neurology, Mayo Clinic, Scottsdale, AZ (D.W.D.); the IRCCS Foundation Carlo Besta Neurologic Institute, Milan (M.L.); Eli Lilly, Indianapolis (J.N.B., T.M.O., B.A.M., C.Z., S.A.D., S.K.A., A.H.A., J.-Y.Y., R.R.C., J.M.M.); and the University of Maryland School of Medicine, Baltimore (R.R.C.). (At 2019-07-11)