1. Center for Tobacco Products, US Food and Drug Administration, Silver Spring, MD
2. Center for Tobacco Studies, School of Public Health, Rutgers University, Piscataway, NJ
3. Department of Health Behavior, Roswell Park Cancer Institute, Buffalo, NY
4. National Institute on Drug Abuse, National Institutes of Health, Bethesda, MD
5. Schroeder Institute for Tobacco Research and Policy Studies, Truth Initiative, Washington, DC
6. Westat, Rockville, MD