Funding for this research was provided by:
Arts and Humanities Research Council (AH/R006091/1)
Received: 9 June 2020
Accepted: 22 July 2020
First Online: 11 August 2020
Ethics approval and consent to participate
: We obtained approval from the national ethics committee for health research of Cambodia (Ref: 094NECHR), and ethics committees at Marie Stopes International (Ref: 003-19A) and the London School of Tropical Medicine and Hygiene (ref: 14646).
: Not applicable.
: The authors declare that they have no competing interests.