- Correspondence to Dr Rainer H Straub, Laboratory of Experimental Rheumatology and Neuroendocrine Immunology, Department of Internal Medicine, University Hospital Regensburg, Biopark I, Josef Engert Str. 9, Regensburg, Bavaria 93053, Germany;
- Received May 10, 2013
- Revised September 10, 2013
- Accepted November 10, 2013
- First published December 2, 2013.
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