. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Ann Thorac Surg. 2014 May 22;98(1):97–102. doi: 10.1016/j.athoracsur.2014.04.027
©2014 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.