[1] Ohio State Univ, Dept Neurol, Div Cerebrovascular Dis & Neurocrit Care, Columbus, OH USA
[2] Vadodara Inst Neurol Sci, Vadodara, India
[3] Univ Kentucky, Coll Med, Dept Neurol, Lexington, KY USA
[4] Boston Univ Chobanian, Dept Neurol, Boston, MA USA
[5] Avedisian Sch Med, Boston, MA USA
[6] NHLBIs Framingham Heart Study, Framingham, MA USA
[7] Boston Univ, Dept Neurol, Sch Med, 72 East Concord St, Boston, MA 02118 USA