- Correspondence to Professor Robert Landewé, Department of Clinical Immunology and Rheumatology, Academic Medical Center, University of Amsterdam & Atrium Medical Center, Meibergdreef 9, Amsterdam 1105AZ, The Netherlands;
- Received July 4, 2013
- Revised August 19, 2013
- Accepted August 20, 2013
- First published September 6, 2013.
This web only file has been produced by the BMJ Publishing Group from an electronic file supplied by the author(s) and has not been edited for content.
Files in this Data Supplement:
- Data supplement 1 - Online supplement
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.