[1] Univ Miami, Dept Neurol, Miller Sch Med, Coral Gables, FL 33124 USA
[2] Univ Miami, Stroke Program, Miller Sch Med, Coral Gables, FL 33124 USA
[3] Hosp Univ Vall dHebron, Vall dHebron Stroke Unit, Passeig Vall dHebron 119-129, Barcelona 08035, Spain
[4] Harvard Med Sch, Beth Israel Deaconess Med Ctr, Boston, MA USA
[5] Univ Duisburg Essen, Univ Hosp Essen, Dept Neurol, Essen, Germany
[6] Goethe Univ Frankfurt, Dept Cardiol, Div Clin Electrophysiol, Frankfurt, Germany