Funding for this research was provided by:
Arthritis Research UK (18174)
Research Trainees Coordinating Centre (ICA-CL-2016-02-014)
National Health and Medical Research Council (ID: 1135995)
Received: 2 February 2018
Accepted: 15 July 2019
First Online: 20 July 2019
Ethics approval and consent to participate
: Ethical approval was obtained from Coventry Research Ethics Committee (REC reference number: 10/H1210/5). All participants gave their written consent to take part in the study.
: Not applicable.
: Dr. Marshall is a member of the editorial board of this journal. The other authors declare that they have no other competing interests to declare.