Funding for this research was provided by:
Gwen Fish Charity Trust
Norfolk and Norwich University Hospital Research Fund
Action Arthritis Charity Trust
Received: 19 February 2020
Accepted: 29 April 2020
First Online: 27 May 2020
Ethics approval and consent to participate
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (East Norfolk and Waveney Research Governance Committee, United Kingdom (ID 116/07/07)) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.