About the Authors
Department of Public Health and Epidemiology, Swiss Tropical Institute, Basel, Switzerland
Institut de la Francophonie pour la médicine tropicale, Vientiane, Laos
Institut Pasteur du Cambodge, Phnom Penh, Cambodia
National Institute of Public Health, Vientiane, Lao PDR
Department of Microbiology and Immunology, School of Medicine, Fukuoka University, Fukuoka, Japan
We have no competing interest to declare.
Conceived and designed the experiments: PO DV WZ NV HB MS. Performed the experiments: DV WZ NV SP SH HB. Analyzed the data: PO HB. Contributed reagents/materials/analysis tools: PO DV WZ NV SP SH MS. Wrote the paper: PO HB.