- Correspondence to Ruth Bell, Institute of Health & Society, Newcastle University, Baddiley-Clark Building, Richardson Road, Newcastle upon Tyne, NE2 4AX, UK;
- Received 10 October 2016
- Revised 14 December 2016
- Accepted 4 January 2017
- Published online 18 December 2017.
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.