Funding for this research was provided by:
National University Singapore Saw Swee Hock School of Public Health (SSHSPH ID-PRG/PILOTGRANT/2018/01)
Text and Data Mining valid from 2020-05-07
Received: 4 March 2020
Accepted: 23 April 2020
First Online: 7 May 2020
Ethics approval and consent to participate
: This study was approved by the National Ethics Committee for Health Research Cambodia (NECHR reference: 024/NECHR) and the National University of Singapore Institutional Review Board (REF No. N-19-015). Informed consent was obtained from all respondents before study enrolment.
: Not applicable.
: The authors declare that they have no competing interests.