. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Ann Thorac Surg. 2011 Oct 13;93(1):11–18. doi: 10.1016/j.athoracsur.2011.06.026
© 2011 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.