- Correspondence to Dr Alexander Persoskie, FDA Center for Tobacco Products - Office of Science, Silver Spring, MA 20993,USA;
- Received August 12, 2017
- Revised April 16, 2018
- Accepted April 26, 2018
- First published May 31, 2018.
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.