Received: 15 May 2018
Accepted: 14 March 2019
First Online: 20 March 2019
: SY (PhD) is Senior Research Fellow at Saw Swee Hock School of Public Health, National University of Singapore and Director of KHANA Center for Population Health Research, Cambodia. AP (MPH) is an affiliated researcher at University of California, Berkeley, the United States. ST (MA) is Manager and PC (MPH) is Research Fellow at KHANA Center for Population Health Research, Cambodia. SC (MHSc) is Senior Research Officer at FHI 360, Cambodia; PM (MPH) is Chief and NC (MPH) is Deputy Chief of Surveillance Unit, National Center for HIV/AIDS, Dermatology and STD, Cambodia. CB (PhD) is Associate Professor at Touro University California, the United States.
: This study was approved by the National Ethics Committee for Health Research (NECHR) of the Ministry of Health, Cambodia (No. 420 NECHR) and FHI 360’s Protection of Human Subjects Committee in the United States (PHSC No. 713897). A written informed consent was obtained from each participant.
: Not applicable.
: SY is an Associate Editor of BMC Public Health. The other authors declare that they have no competing interests.
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