1 | The Schroeder Institute for Tobacco Research and Policy Studies at Truth Initiative, Washington, USA |
2 | Department of Oncology, Georgetown University Medical Center, Cancer Prevention and Control Program, Georgetown Lombardi Comprehensive Cancer Center, Washington, USA |
3 | Department of Evaluation Science and Research, Truth Initiative, Washington, USA |
4 | Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, USA |