- Correspondence to Dr Emma O'Dowd, Division of Public Health and Epidemiology, University of Nottingham, Room C100, Clinical Sciences Building, Nottingham City Campus, Hucknall Road, Nottingham NG5 1PB, UK; firstname.lastname@example.org
- Accepted December 1, 2014
- First published January 14, 2015.
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.