Published on in Vol 17, No 7 (2015): July
1 The Schroeder Institute for Tobacco Research and Policy Studies, Legacy, Washington, DC, United States
2 Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
3 Milken Institute School of Public Health, The George Washington University, Washington, DC, United States
4 Department of Oncology, Georgetown University Medical Center/Cancer Prevention and Control Program, Lombardi Comprehensive Cancer Center, Washington, DC, United States
5 Westat, Rockville, MD, United States