- Correspondence to Dr Brian A King, Office on Smoking and Health, Centers for Disease Control and Prevention, 4770 Buford Highway NE, MS F-79, Atlanta, GA 30341, USA;
- Received June 20, 2014
- Accepted December 16, 2014
- First published January 7, 2015.
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.