- Correspondence to Dr Nathan Critchlow, Institute for Social Marketing, Faculty of Health Sciences and Sport, University of Stirling, Stirling, FK9 4LA, UK;
- Received April 3, 2018
- Revised July 20, 2018
- Accepted July 30, 2018
- First published August 17, 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.