1. Divison of Pulmonary and Critical Care Medicine and
2. Division of General Internal Medicine, Weill Cornell Department of Medicine, New York, New York;
3. Department of Population Health Sciences, Weill Cornell Medicine, New York, New York;
4. Division of Pulmonary and Critical Care, University of Michigan, Ann Arbor, Michigan; and
5. Department of Preventative Medicine and Environmental Health, University of Kentucky, Lexington, Kentucky