- Correspondence to Dr Eva-Linda Kneepkens, Department of Rheumatology, Jan van Breemen Research Institute | Reade, Dr Jan van Breemenstraat 2, Amsterdam 1056 AB, The Netherlands;
- Received June 27, 2013
- Revised September 3, 2013
- Accepted November 5, 2013
- First published December 10, 2013.
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