- Correspondence to Dr Neil Heron, Department of General Practice and Primary Care, Queen's University, Dunluce Health Centre, Level 4, 1 Dunluce Avenue, Belfast BT9 7HR,UK;
- Received July 17, 2012
- Revised January 15, 2013
- Accepted January 17, 2013
- First published February 12, 2013.
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.