1. Fire Department of the City of New YorkBureau of Health ServicesBrooklynNew York
2. Pulmonology Division, Department of MedicineMontefiore Medical CenterBronxNew York
3. Department of Epidemiology and Population HealthAlbert Einstein College of MedicineBronxNew York
4. Department of Epidemiology and Population HealthMontefiore Medical CenterBronxNew York
5. Pulmonology Division, Department of MedicineAlbert Einstein College of MedicineBronxNew York