- Correspondence to Dr Laura C Coates, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford OX3 7LD, UK;
- Received March 10, 2020
- Revised May 1, 2020
- Accepted May 2, 2020
- First published May 18, 2020.
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