1. Department of Medicine, Larner College of Medicine, University of Vermont, Burlington, Vermont;
2. Department of Medicine, Duke University Health System, Durham, North Carolina;
3. Division of Pulmonary and Critical Care Medicine, Northwestern University, Chicago, Illinois;
4. Department of Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama;
5. Mount Sinai-National Jewish Health Respiratory Institute, Icahn School of Medicine at Mount Sinai, New York, New York;
6. Health Promotion Sciences and
7. Department of Medicine, College of Medicine, Mel and Enid Zuckerman College of Public Health & Asthma and Airway Disease Research Center, University of Arizona, Tucson, Arizona;
8. Breathe Chicago Center, University of Illinois Chicago, Chicago, Illinois; and
9. Bloomberg School of Public Health and
10. Depatment of Medicine, School of Medicine, Johns Hopkins University, Baltimore, Maryland