1. From Columbia University College of Physicians and Surgeons (J.P.M., K.L., J.P.-S.), New York, NY; Doris & Stanley Tananbaum Stroke Center (J.P.M.), Neurological Institute, New York, NY; Mt. Sinai School of Medicine (A.F.M., E.M., M.P., A.E., A.W.), New York, NY; Hôpital Lariboisière (C.S.), Paris, France; Klinikum Frankfurt (Oder) (A.H.), Frankfurt, Germany; Columbia University (K.L.), New York, NY; Columbia University (S.M.M.), New York, NY; Klinik-im-Park (H.M.), Zurich, Switzerland;...