1. From The George Institute for International Health, the University of Sydney and the Royal Prince Alfred Hospital (H.A., C.A., S.M., B.N., J.C.), Sydney, Australia; INSERM U708 (C.T.) and Department of Neurology, Hôpital Lariboisière (C.T., M.-G.B.), Paris, France; Mount Sinai School of Medicine (M.W.), New York, NY.