Received: 24 October 2017
Accepted: 28 September 2018
First Online: 16 October 2018
: SY (PhD) is Senior Research Fellow at Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore; Director of KHANA Center for Population Health Research, Cambodia; and Adjunct Associate Professor at Center for Global Health Research, Touro University California, the United States. ST (MA) is Research Manager and KP (MHSc) and PC (MPH) are Research Fellow at KHANA Center for Population Health Research, Cambodia. VK (MPH) is Chief of Research Unit at National Center for HIV/AIDS, Dermatology and STD, Cambodia. SS (PhD) is Adjunct Lecturer at the Royal University of Phnom Penh and Senior Research Advisor to KHANA Center for Population Health Research, Cambodia. LF (PhD) is Assistant Professor at Institute for Global Health, Keck School of Medicine, University of Southern California, the United States. GM (MPH) is Researcher at University of Lancaster, the United Kingdom.
: The National Ethics Committee for Health Research of the Ministry of Health, Cambodia approved this study (Ref: 297NECHR). Verbal assent from adolescents and written consent from a parent or guardian of each participant was obtained.
: Not applicable.
: The authors declare that they have no competing interests.
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