Funding for this research was provided by:
Versus Arthritis (20874)
Received: 10 September 2019
Accepted: 9 December 2019
First Online: 17 December 2019
Compliance with ethical standards
: Dr Coulter, Ms McDonald, Dr Siebert and Professor Paul received a research grant from Versus Arthritis (formally Arthritis Research UK) during the conduct of the study. Ms Cameron declares no conflicts of interest.