- Correspondence to Dr Ingiäld Hafström, Rheumatology Department, R92, Karolinska University Hospital Huddinge, 141 86 Stockholm, Sweden;
- Accepted July 11, 2010
- First published August 10, 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.