Funding for this research was provided by:
HSC Research & Development Division and Atlantic Philanthropies (COM/5020/14)
Received: 7 October 2019
Accepted: 11 February 2020
First Online: 14 February 2020
Ethics approval and consent to participate
: Ethical approval was granted by the East of England – Cambridgeshire and Hertfordshire Research Ethics Committee (15/EE/0103). Written informed consent was obtained from each participant prior to commencing data collection.
: Consent to publish data collected as part of their study was given by all participants.
: The authors declare that they have no competing interests.