^*Division of Pulmonary and Critical Care Medicine Department of Internal Medicine

^§Section of Thoracic Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI

^†Division of Allergy, Pulmonary and Critical Care Medicine

^‡Department of Thoracic Surgery, Vanderbilt University Medical Center, Nashville, TN

M.T.W., S.E.G., and J.C.D. were involved in study design and conception. M.T.W. and L.R. were involved in data acquisition. M.T.W. and J.D.C. performed data analysis. M.T.W., M.S.A., L.R., S.E.G., F.B., and J.D.C. were involved in data interpretation. M.T.W. drafted the manuscript. M.S.A., L.R., S.E.G., F.B., and J.D.C. were involved in critical manuscript review. All authors participated in final manuscript revision and take responsibility for the integrity of the data and the accuracy of the data analysis.

Disclosure: There is no conflict of interest or other disclosures.

Correspondence: Max T. Wayne, MD, 1500 East Medical Center Drive SPC 5361, Ann Arbor, MI 48109-5361 (e-mail: [email protected]).