- Correspondence to Dr Hector Chinoy, National Institute for Health Research Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK;
- Received May 31, 2017
- Revised July 28, 2017
- Accepted August 1, 2017
- First published August 30, 2017.
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