- Correspondence to Professor Joachim Sieper, Medical Department I, Rheumatology, Campus Benjamin Franklin, Charité Universitätsmedizin Berlin, Hindenburgdamm 30, Berlin 12203, Germany;
- Received June 6, 2016
- Revised August 3, 2016
- Accepted August 9, 2016
- First published August 31, 2016.
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.