- Correspondence to Dr Francesco Del Galdo, Division of Rheumatic and Musculoskeletal Diseases, Leeds Institute of Molecular Medicine, University of Leeds, and NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, Leeds ls9 7pf, UK;
- Received September 17, 2012
- Revised December 19, 2012
- Accepted January 27, 2013
- First published February 20, 2013.
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