Louis R. Caplan, MD Department of Neurology, Harvard Medical School, and the Cerebrovascular Disorders/Stroke Clinic, Beth Israel Deaconess Medical Center, Boston, MA
Correspondence: Louis R. Caplan, MD, Beth Israel Deaconess Medical Center, Palmer 127, West Campus, 330 Brookline Avenue, Boston, MA 02215; e-mail: lcaplan@bidmc.harvard.edu
