- Correspondence to Dr Noel T Brewer, Department of Health Behavior, Gillings School of Global Public Health, University of North Carolina, Chapel Hill NC 27599, USA;
- Received October 20, 2017
- Revised January 22, 2018
- Accepted February 20, 2018
- First published April 13, 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.