1. Channing Division of Network Medicine and
2. Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
3. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins School of Medicine, and
4. Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland
5. Department of Clinical Science, University of Bergen, Bergen, Norway; and
6. Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado
7. Division of Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital, Boston, Massachusetts