Funding for this research was provided by:
Wellcome Trust/Newton Fund-MRC Humanities & Social Science Collaborative Award (200346/Z/15/Z)
Received: 10 February 2020
Accepted: 31 August 2020
First Online: 11 September 2020
Ethics approval and consent to participate
: Ethical approval for the research was obtained from the local research ethics board of the University of the Philippines Manila - Panel 1 (UPMREB 2017–481-01). Written informed consent from all participants was obtained prior to interview.
: Not applicable.
: The authors declare that they have no competing interests.