1. Bureau of Health Services and the FDNY World Trade Center Health Program Fire Department of the City of New York Brooklyn New York USA
2. Office of Medical Affairs Fire Department of the City of New York Brooklyn New York USA
3. Department of Medicine Pulmonary Medicine Division Montefiore Medical Center and Albert Einstein College of Medicine Bronx New York USA
4. Division of Epidemiology Department of Epidemiology and Population Health Albert Einstein College of Medicine Bronx New York USA
5. Division of Biostatistics Department of Epidemiology and Population Health Albert Einstein College of Medicine Bronx New York USA
6. Department of Environmental Medicine and Department of Medicine, Pulmonary, Critical Care and Sleep Medicine Division New York University School of Medicine New York New York USA