. Author manuscript; available in PMC: 2013 Nov 5.
Published in final edited form as: Ann Thorac Surg. 2013 Jun 26;96(2):10.1016/j.athoracsur.2013.04.012. doi: 10.1016/j.athoracsur.2013.04.012
© 2013 by The Society of Thoracic Surgeons Published by Elsevier Inc