1. From the Stroke Unit, Department of Neurological Sciences (S.A., V.O., A. Cervera, A. Chamorro), Hospital Clínic and Institut d’ Investigacions Biomédiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain; the Pharmacy Service (UASP) (D.S.), Hospital Clínic of Barcelona, Barcelona, Spain; and the Pharmacology and Toxicology Department (A.M.P.), Consejo Superior de Investigaciones Científicas (IIBB-CSIC) and IDIBAPS, Barcelona, Spain.