1. Behavioral Health and Health Policy, Westat , Rockville, MD , USA
2. Pacific Institute for Research and Evaluation , Louisville, KY , USA
3. Department of Health and Exercise Science, University of Oklahoma , Norman, OK , USA
4. American Cancer Society , Atlanta, GA , USA
5. Department of Psychiatry, Yale University , New Haven, CT , USA
6. Department of Health Behavior, Society, and Policy, Rutgers Center for Tobacco Studies , New Brunswick, NJ , USA