Funding for this research was provided by:
Marie Curie (C38861/A17114)
Received: 2 July 2020
Accepted: 17 December 2020
First Online: 12 January 2021
Ethics approval and consent to participate
: The protocol for this study was submitted for approval to the National Health Service, Health Research Authority, National; Research Ethics Service (Ref Number: 15/NW/0944) in April 2016. All the participants provided written consent to participate and to have discussions audio recorded prior data collection.
: Not applicable as this paper does not include any details about individuals.
: The authors declared they have no competing interests.