1. Vermont Center on Behavior and Health, University of Vermont, Burlington, VT
2. Department of Psychiatry, University of Vermont, Burlington, VT
3. Department of Biostatistics, University of Vermont, Burlington, VT
4. Center for Evaluation and Coordination of Training and Research (CECTR) in Tobacco Regulatory Science, Westat, Rockville, MD
5. Department of Oncology, Georgetown University Medical Center, Washington, DC
6. Rehabilitation Institute, Southern Illinois University, Carbondale, IL
7. Center for Excellence in Regulatory Tobacco Science, The Ohio State University, Colombus, OH
8. College of Public Health, The Ohio State University, Colombus, OH
9. Department of Psychological Science, University of Vermont, Burlington, VT
10. Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Vermont, Burlington, VT