- Correspondence to Dr Katerina Chatzidionysiou, Unit for Clinical Research Therapy, Inflammatory Diseases (ClinTRID), Karolinska Institutet, Rheumatology Department, D1:00, Karolinska University Hospital, Stockholm 171 76, Sweden;
- Received October 13, 2013
- Revised December 9, 2013
- Accepted December 21, 2013
- First published January 15, 2014.
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