. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: J Vasc Surg. 2013 Jan 9;57(5):1179–1185.e2. doi: 10.1016/j.jvs.2012.11.040
Copyright © 2013 by the Society for Vascular Surgery. Published by Elsevier Inc. All rights reserved.