- Correspondence to Joachim Sieper, Department of Rheumatology, Charité – Campus Benjamin Franklin, Hindenburgdamm 30, 12203 Berlin, Germany;
- Accepted January 26, 2010
- First published May 24, 2010.
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.