1. Department of Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania.
2. Division of Pulmonary and Critical Care, The Jane and Leonard Korman Respiratory Institute, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.
3. Department of Family & Community Medicine, Sidney Kimmel Medical College, Center for Urban Health, Thomas Jefferson University Hospitals, Philadelphia, Pennsylvania.
4. Division of Pulmonary and Critical Care, The Jane and Leonard Korman Respiratory Institute, Philadelphia, Pennsylvania.
5. Tobacco Dependence Program, Jefferson Health – Northeast, Philadelphia, Pennsylvania.
6. Department of Radiology, Thomas Jefferson University, Philadelphia, Pennsylvania.
7. Division of Thoracic Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania.
8. Division of Population Science and Center for Health Decisions, Department of Medical Oncology, Thomas Jefferson University, Philadelphia, Pennsylvania.
9. Department of Medicine, Division of Pulmonary and Critical Care, The Jane and Leonard Korman Respiratory Institute, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.