Affiliation: | 1. Division of Pulmonary, Allergy and Critical Care Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania;2. Division of Cardiothoracic Surgery, University of Wisconsin School of Medicine, Madison, Wisconsin;3. Prince Charles Hospital, Brisbane, Queensland, Australia;4. Cardiothoracic Division, Freeman Hospital, Newcastle, UK;5. Respiratory Institute, Cleveland Clinic, Cleveland, Ohio;6. Division of Cardiothoracic Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania;g. Department of Pulmonary Medicine, University Hospital of Zurich, Zurich, Switzerland;h. Division of Pediatric Cardiothoracic Surgery, Washington University School of Medicine, St. Louis, Missouri;i. Division of Pulmonary and Critical Care Medicine, University of Washington, Seattle, Washington;j. Division of Pulmonary and Critical Care Medicine, University of California, San Francisco Medical Center, San Francisco, California;k. Department of Cardiothoracic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania;l. Division of Cardiothoracic Surgery, Advocate Christ Medical Center, Chicago, Illinois;m. Division of Thoracic Surgery, Toronto General Hospital UHN, Toronto, Ontario, Canada;n. Division of Cardiothoracic Surgery, Yale University School of Medicine, New Haven, Connecticut;o. Division of Pulmonary and Critical Care, The John Hopkins University Hospital, Baltimore, Maryland;p. Department of Thoracic Surgery, Vienna Medical University, Vienna, Austria;q. Department of Respiratory Diseases, University Hospital of Gasthuisberg, Leuven, Belgium;r. Cardiothoracic Department, Sahlgrenska University Hospital, Göteborg, Sweden;s. Division of Cardiothoracic Surgery, University of Washington, Seattle, Washington |