Funding for this research was provided by:
National Institute for Health Research (338)
Article History
Received: 11 March 2019
Accepted: 15 July 2019
First Online: 27 July 2019
Ethics approval and consent to participate
: Ethical approval was granted by the Yorkshire and Humber – Sheffield Research Ethics Committee on 26.01.2018. Ref: 17/YH/0430. Written consent was taken for all participants.
: Written consent for publication was given at point of recruitment.
: The authors declare that they have no competing interests.