1. Division of Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital
2. Department of Pathology, Massachusetts General Hospital, and
3. Pulmonary Fibrosis Program, Lovelace Respiratory Research Institute, Albuquerque, New Mexico; and
4. Division of Rheumatology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
5. Division of Pulmonary and Critical Care Medicine, and
6. Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, St. Louis, Missouri