- C W Warren, Office on Smoking and Health, Centers for Disease Control and Prevention, 4770 Buford Highway, NE, MS K–50, Atlanta, Georgia 30341, USA;
- Accepted August 27, 2008
- First published November 24, 2008.
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.