. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: J Stroke Cerebrovasc Dis. 2011 Sep 13;22(3):241–243. doi: 10.1016/j.jstrokecerebrovasdis.2011.08.004
© 2011 National Stroke Association. Published by Elsevier Inc. All rights reserved.