- Correspondence to Dr Gerd R Burmester, Department of Rheumatology and Clinical Immunology, Charité—University Medicine Berlin, Free University and Humboldt University Berlin, Charitéplatz 1, Berlin 10117, Germany;
- Received August 3, 2016
- Revised October 13, 2016
- Accepted October 15, 2016
- First published November 17, 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.