1. Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale University, New Haven, Connecticut;
2. Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Texas Health Science Center, Houston, Texas;
3. Department of Pulmonary Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas;
4. American Thoracic Society, New York, New York;
5. Divison of Pulmonary and Critical Care Medicine, Department of Medicine, Mount Auburn Hospital/Beth Israel Lahey Health, Cambridge, Massachusetts; and
6. Harvard Medical School, Boston, Massachusetts