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Published in final edited form as: J Thorac Cardiovasc Surg. 2012 Sep 29;144(6):10.1016/j.jtcvs.2012.08.064. doi: 10.1016/j.jtcvs.2012.08.064
Copyright © 2012 Published by Elsevier Inc. on behalf of The American Association for Thoracic Surgery