- Correspondence to Dr Diane van der Woude, Department of Rheumatology, Leiden University Medical Center, C1-R-041, Albinusdreef 2, PO Box 9600, Leiden 2300 RC, The Netherlands;
- Received April 26, 2016
- Revised September 18, 2016
- Accepted October 6, 2016
- First published November 9, 2016.
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