- Correspondence to Dr Andra Balanescu, Department of Internal Medicine and Rheumatology, University of Medicine and Pharmacy Carol Davila, Sf. Maria Hospital Research Center on Rheumatic Diseases, Bucharest 11172, Romania;
- Received December 21, 2012
- Revised June 10, 2013
- Accepted June 26, 2013
- First published July 12, 2013.
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