[1] Metropolitan Hosp, Stroke Unit, Ethnarchou Makariou 9 & Eleftheriou Venizelou 1, Piraeus 18547, Greece
[2] Metropolitan Hosp, Dept Cardiol, Piraeus, Greece
[3] Univ Athens, Dept Neurol 2, Attikon Univ Hosp, Sch Med, Athens, Greece
[4] Univ Tennessee, Hlth Sci Ctr, Dept Neurol, Memphis, TN USA