. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: J Vasc Interv Radiol. 2012 Oct 27;23(12):1677–1684.e1. doi: 10.1016/j.jvir.2012.08.019
© 2012 Published by Elsevier Inc on behalf of The Society of Interventional Radiology.