1. Division of Pulmonary and Critical Care Medicine, New York-Presbyterian Hospital-Weill Cornell Medical Center, Weill Cornell Medical College, New York, NY, USA.
2. Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, New York University School of Medicine, New York, NY, USA.
3. New York University, School of Medicine, Department of Environmental Medicine, Tuxedo Park, NY, USA.
4. Bureau of Health Services and Office of Medical Affairs Fire Department of New York, Brooklyn, NY, USA.
5. Molecular Microbiology and Immunology, Brown University,Warren Alpert School of Medicine Box G-L, Providence, RI, USA.