. Author manuscript; available in PMC: 2014 Mar 26.
Published in final edited form as: J Thorac Cardiovasc Surg. 2012 Feb 2;144(4):859–865. doi: 10.1016/j.jtcvs.2012.01.001
© 2012 The American Association For Thoracic Surgery. Published by Mosby, Inc. All rights reserved.