. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: J Stroke Cerebrovasc Dis. 2013 Jul 30;23(4):712–716. doi: 10.1016/j.jstrokecerebrovasdis.2013.06.030
© 2013 National Stroke Association. Published by Elsevier Inc. All rights reserved.