- Correspondence to Joachim Sieper, Charité, Department of Rheumatology, Campus Benjamin Franklin, Med. Clinic I, Rheumatology, Hindenburgdamm 30, 12200 Berlin, Germany;
- Received November 3, 2011
- Accepted January 31, 2012
- First published March 22, 2012.
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.