- Correspondence to Dr Katherine Elizabeth Smith, Global Public Health Unit, School of Social & Political Science, University of Edinburgh, 15a George Square, Edinburgh, Midlothian EH8 9LD, UK;
- Accepted September 23, 2012
- First published October 25, 2012.
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.