Funding for this research was provided by:
National Institute for Health Research (DRF-2016-09-159)
Arthritis Research UK (20083)
Text and Data Mining valid from 2019-12-03
Received: 27 September 2019
Accepted: 25 November 2019
First Online: 3 December 2019
Compliance with ethical standards
: The authors declare they have no conflicts of interest.
: Ethics approval was obtained from North East-Newcastle and North Tyneside 2 Research Ethics Committee (ethics approval protocol number: 16/NE/0108) and informed consent was obtained from all participants for publication.
: All human studies have been approved by the appropriate ethics committee and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.