About the Authors

Devender Bhalla

Affiliations INSERM U1094, Tropical Neuroepidemiology, Limoges, France; University of Limoges, School of Medicine, Institute of Neuroepidemiology and Tropical Neurology, GEIST, Limoges, France; CHU Limoges, Limoges, France, Cambodian Society of Neurology, Phnom Penh, Cambodia

Kimly Chea

Affiliation University of Health Sciences, Phnom Penh, Cambodia

Chamroeun Hun

Affiliations University of Health Sciences, Phnom Penh, Cambodia, Department of Neurology, Calmette Hospital, Phnom Penh, Cambodia, Cambodian Society of Neurology, Phnom Penh, Cambodia

Mey Vannareth

Affiliation University of Health Sciences, Phnom Penh, Cambodia

Pierre Huc

Affiliation INSERM U1094, Tropical Neuroepidemiology, Limoges, France; University of Limoges, School of Medicine, Institute of Neuroepidemiology and Tropical Neurology, GEIST, Limoges, France; CHU Limoges, Limoges, France

Samleng Chan

Affiliations University of Health Sciences, Phnom Penh, Cambodia, Department of Neurology, Calmette Hospital, Phnom Penh, Cambodia, Cambodian Society of Neurology, Phnom Penh, Cambodia

Robert Sebbag

Affiliation Department of Access to Medicines, Sanofi, Gentilly, France

Daniel Gérard

Affiliation Department of Access to Medicines, Sanofi, Gentilly, France

Michel Dumas

Affiliation INSERM U1094, Tropical Neuroepidemiology, Limoges, France; University of Limoges, School of Medicine, Institute of Neuroepidemiology and Tropical Neurology, GEIST, Limoges, France; CHU Limoges, Limoges, France

Sophal Oum

Affiliation University of Health Sciences, Phnom Penh, Cambodia

Michel Druet-Cabanac

Affiliation INSERM U1094, Tropical Neuroepidemiology, Limoges, France; University of Limoges, School of Medicine, Institute of Neuroepidemiology and Tropical Neurology, GEIST, Limoges, France; CHU Limoges, Limoges, France

Pierre-Marie Preux

preux@unilim.fr

Affiliation INSERM U1094, Tropical Neuroepidemiology, Limoges, France; University of Limoges, School of Medicine, Institute of Neuroepidemiology and Tropical Neurology, GEIST, Limoges, France; CHU Limoges, Limoges, France

Competing Interests

Corresponding author, Prof. Pierre-Marie Preux is the Plos One editorial board member. Drs Robert Sebbag and Daniel Gérard are employees of Sanofi France and the authors have received financial support from the department of access to medicines, Sanofi, Gentilly, France, there are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: DB P-MP MD MD-C SO SC. Performed the experiments: DB KC PH MV CH MD P-MP. Analyzed the data: DB. Contributed reagents/materials/analysis tools: DB P-MP MD-C KC. Wrote the paper: DB. Overall supervision: P-MP MD-C MD SO SC DG RS.