1. Department of Preventive Medicine, Northwestern University Feinberg School of Medicine , Chicago, IL 60611 , USA
2. Robert H. Lurie Comprehensive Cancer Center of Northwestern University , Chicago, IL 60611 , USA
3. Department of Population Health Nursing Science, College of Nursing, The University of Illinois at Chicago , Chicago, IL 60612 , USA
4. Department of Biostatistics, Brown University , Providence, RI 02912 , USA
5. Department of Medicine, Northwestern University Feinberg School of Medicine , Chicago, IL 60611 , USA
6. Alliance-Chicago , Chicago, IL 60654 , USA
7. Department of Pediatrics, Northwestern University Feinberg School of Medicine , Chicago, IL 60611 , USA
8. Near North Health Service Corporation , Chicago, IL 60610 , USA
9. American Lung Association , Springfield, IL 62711 , USA
10. Department of Economics, Northeastern Illinois University , Chicago, IL 60625 , USA
11. Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine , Chicago, IL 60611 , USA