Affiliation: | 1. Division of Minimally Invasive Thoracic Surgery, Brigham and Women''s Hospital, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Mass;2. Division of Thoracic Surgery, Emory University Healthcare, Atlanta, Ga;3. Division of Thoracic Surgery, Cedars Sinai Medical Center, Los Angeles, Calif;4. Division of Thoracic Surgery and Surgical Quality, NorthShore University Health System, Evanston, Ill;5. Division of Thoracic Surgery, Georgetown University Medical Center, Washington, DC;6. Ethicon Endo-Surgery, Inc a Johnson & Johnson Company, Cincinnati, Ohio;g Healthcare Policy and Economics, Ethicon Endo-Surgery, Cincinnati, Ohio;h S2 Statistical Solutions, Inc., Cincinnati, Ohio;i Division of Cardiothoracic Surgery, Barnes-Jewish Hospital Plaza, Washington University in St. Louis, St. Louis, Mo |