1. Department of Pediatrics, University of Illinois at Chicago, Chicago, IL, USA
2. Julius B. Richmond Center of Excellence, American Academy of Pediatrics, Itasca, IL, USA
3. American Institute of Biological Sciences, Washington, DC, USA
4. Flight Attendant Medical Research Institute, Coral Gables, FL, USA
5. Department of Medicine, Indiana University, Indianapolis, IN, USA
6. Department of Pediatrics, Stony Brook University School of Medicine, Stony Brook, NY, USA
7. Department of Pediatrics, Children’s Hospital of Philadelphia, Philadelphia, PA, USA
8. Michigan Developmental Disabilities Institute, Wayne State University, Detroit, MI, USA
9. Department of Pediatrics, Boston University School of Medicine, Boston, MA, USA
10. Department of Family Medicine, University of North Carolina School of Medicine, Chapel Hill, NC, USA
11. Tobacco Research and Treatment Center, Massachusetts General Hospital, Boston, MA, USA
12. Division of Health Promotion and Behavioral Science, San Diego State University School of Public Health, San Diego, CA, USA
13. Center of Health Promotion and Disease Prevention, Henry Ford Health System, Detroit, MI, USA
14. Department of Medicine, Pulmonary Sciences & Critical Care, University of Colorado School of Medicine, Aurora, CO, USA
15. Division of Lung Diseases, National Heart, Lung, and Blood Institute, Bethesda, MD, USA