- Correspondence to Prof Graham Roberts, Clinical and Experimental Sciences Academic Unit, Mailpoint 803, University of Southampton Faculty of Medicine, Tremona Road, Southampton SO16 6YD, UK;
- Received August 10, 2012
- Revised August 10, 2012
- Accepted November 25, 2012
- First published January 3, 2013.
This web only file has been produced by the BMJ Publishing Group from an electronic file supplied by the author(s) and has not been edited for content.
Files in this Data Supplement:
- Data supplement 1 - Online supplement
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.