- Correspondence to Tatiana Barskova, Department of Biomedicine, Division of Rheumatology, AOUC, Excellence Centre for Research, Transfer and High Education DENOthe, University of Florence, Via Pieraccini, 18-50139, Firenze, Italy;
- Received November 18, 2011
- Accepted April 9, 2012
- First published May 15, 2012.
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