1. Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, OH
2. Division of Epidemiology, The Ohio State University College of Public Health, Columbus, OH
3. Departments of Medicine and Bioengineering and Therapeutic Sciences, Division of Clinical Pharmacology and Experimental Therapeutics and Center for Tobacco Control Research and Education, University of California, San Francisco, CA
4. College of Public Health and Moritz College of Law, The Ohio State University, Columbus, OH
5. Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC
6. Tobacco Research Programs and Department of Psychiatry, University of Minnesota, Minneapolis, MN
7. Biochemistry and Pharmacology Department, Victor Babes University of Medicine and Pharmacy, Timisoara, Romania
8. Department of Health Behavior, Roswell Park Cancer Institute, Buffalo, NY
9. Center for Global Tobacco Control, Department of Social and Behavioral Sciences, Harvard T. H. Chan School of Public Health, Boston, MA