1 | Tobacco Dependence Treatment & Research, Department of Oral Health Policy and Epidemiology, Harvard School of Dental Medicine, Harvard Medical School, Boston, USA |
2 | Total Health Care, Baltimore, USA |
3 | Center for Global Tobacco Control, Department of Society, Human Development and Health, Harvard School of Public Health, Boston, USA |
4 | Department of Psychiatry, Boston Medical Center, Boston, USA |
5 | Oliver Wyman, Health & Life Sciences, New York, USA |