Received: 12 August 2019
Accepted: 21 July 2020
First Online: 29 July 2020
Ethics approval and consent to participate
: Ethical approval for this study was granted by the National Ethics Committee for Health Research (Cambodia) on 31<sup>st</sup> December 2018, reference number: 309.
: Informed consent was obtained from all participants. Consent forms were signed by all participants prior to participating in this study.Consent was given by 17 of the 18 participants involved in this study to use quotations from their interviews anonymously in any written report or publication.
: The authors declare that they have no competing interests.