. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Ann Thorac Surg. 2013 May 21;96(1):96–104. doi: 10.1016/j.athoracsur.2013.03.091
© 2013 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.