About the Authors

Hubert Barennes

barenneshub@yahoo.fr

Affiliations Institut de la Francophonie pour la Médecine Tropicale, Vientiane, Lao PDR, Agence Nationale de Recherche sur le VIH et les Hépatites Phnom Penh, Cambodia, ISPED, Centre INSERM U897-Epidemiologie-Biostatistique, Univ. Bordeaux, F-33000 Bordeaux, France, Epidemiology Unit, Pasteur Institute, Phnom Penh, Cambodia

Maniphet Phimmasane

Affiliation Institut de la Francophonie pour la Médecine Tropicale, Vientiane, Lao PDR

Christian Rajaonarivo

Affiliation Institut de la Francophonie pour la Médecine Tropicale, Vientiane, Lao PDR

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HB MP CR. Performed the experiments: HB MP CR. Analyzed the data: HB MP CR. Contributed reagents/materials/analysis tools: HB MP CR. Wrote the paper: HB CR. Conducted preliminary analysis: HB MP CR. Wrote the main manuscript: HB.