1. Primary Care Research Institute, Department of Family Medicine, University at Buffalo, Buffalo, NY
2. Center for Tobacco Studies, School of Public Health, Rutgers, The State University of New Jersey, Piscataway, NJ
3. Department of Health Behavior, Roswell Park Cancer Institute, Buffalo, NY
4. Department of Community Health and Health Behavior, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY