1. Division of Pulmonary and Critical Care Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
2. Department of Medicine
3. Clinical Laboratory Division, Tissue Typing Laboratory
4. Lung Transplant Program, Division of Thoracic Surgery
5. University of Washington, Seattle, Washington
6. Stamford Hospital, Stamford, Connecticut; and
7. Columbia University, New York, New York
8. Division of Pulmonary and Critical Care Medicine, and
9. Lung Transplant Program, Division of Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital, Boston, Massachusetts