- Correspondence to Professor P Emery, Division of Rheumatic and Musculoskeletal Disease, Leeds Institute of Molecular Medicine, University of Leeds, and NIHR Leeds Musculoskeletal Biomedical Research Unit, LTHT, Leeds, UK;
- Received February 8, 2013
- Revised June 3, 2013
- Accepted July 9, 2013
- First published August 2, 2013.
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