- Correspondence to James F Pankow, Institute for Global Tobacco Control, Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, 2213 McElderry St, Fourth Floor Baltimore, MD 21205, USA;
- Received 24 November 2016
- Revised 6 February 2017
- Accepted 15 February 2017
- Published in print 10 April 2017.
- Published online 11 April 2017.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.