- Correspondence to: Ms K Gerard Health Care Research Unit, Mailpoint 805, South Academic Block, Southampton General Hospital, Tremona Road, Southampton SO16 6YD, UK;
- Accepted May 5, 2003
- First published October 20, 2004.
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.