- Correspondence to Professor Kim S Midwood, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Kennedy Institute of Rheumatology, University of Oxford, Oxford OX3 7FY, UK;
- Received August 16, 2018
- Revised November 16, 2018
- Accepted November 20, 2018
- First published December 14, 2018.
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