1. Division of Occupational and Environmental Medicine, Department of Medicine, University of California, San Francisco, California;
2. Centers for Disease Control and Prevention, Atlanta, Georgia;
3. Division of Clinical Pharmacology and Experimental Therapeutics, Department of Medicine, University of California, San Francisco, California;
4. Department of Chemistry, American University of Beirut, Beirut, Lebanon;
5. Center for the Study of Tobacco Products, Virginia Commonwealth University, Richmond, Virginia;
6. Departments of Laboratory Medicine and Psychiatry, Yale University, New Haven, Connecticut;
7. Tobacco Center of Regulatory Science, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania;
8. Marsico Lung Institute, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina;
9. Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota;
10. Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, Pennsylvania;
11. Department of Medicine, Institute of Molecular Cardiology and Diabetes and Obesity Center, University of Louisville, Louisville, Kentucky;
12. Division of Epidemiology, Services and Prevention Research, National Institute on Drug Abuse, National Institutes of Health, Bethesda, Maryland;
13. Division of Clinical Pharmacology and Experimental Therapeutics, Departments of Medicine and Bioengineering and Therapeutic Sciences, University of California, San Francisco, California; and
14. American Heart Association Tobacco Regulation and Addiction Center, University of Louisville, Louisville, Kentucky