Scientist, Asia Pacific Region Epidemiological studiesFamily planningMaternal healthHIV epidemiologyBiobehavioral surveysResearch in conflict-affected areasSubstance abuse epidemiologyReproductive and sexual healthReproductive health researchContraception and reproductive health researchDrug useHarm reduction in conflict settings HIV and AIDS: Health HealthEpidemiological studies: HealthEpidemiological studies: ResearchReproductive health research: HealthThailand