Funding for this research was provided by:
World Health Organisation (844053)
Received: 14 November 2019
Accepted: 10 July 2020
First Online: 28 August 2020
Ethics approval and consent to participate
: The interviews component of the study was reviewed by and obtained ethical approval from the University of Stirling’s General University Ethics Panel.
: Not applicable.
: The authors declare that they have no competing interests.