- Dr U A Walker, Basle University Department of Rheumatology, Felix Platter Spital, Burgfelderstrasse 101, Basel 4012, Switzerland;
- Accepted June 20, 2008
- First published July 14, 2008.
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.