1. Markey Cancer Center, University of Kentucky, Lexington
2. Department of Health, Behavior & Society, University of Kentucky College of Public Health, Lexington
3. Center for Tobacco Studies, Rutgers School of Public Health, New Brunswick, New Jersey
4. Department of Health Behavior, Society, and Policy, Rutgers School of Public Health, Piscataway, New Jersey
5. Division of Population Sciences, Rutgers Cancer Institute of New Jersey, New Brunswick
6. now at Medical Data Analytics, Parsippany, New Jersey