Affiliation: | 1. Department of Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York;2. Bureau of Health Services, Fire Department of the City of New York, Brooklyn, New York;3. Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York;4. Department of Pulmonary Medicine, Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, New York |