[1] Univ Limoges, Sch Med, GEIST, INSERM U1094, Limoges, France
[2] Univ Limoges, Sch Med, GEIST, Inst Neuroepidemiol & Trop Neurol, Limoges, France
[3] Sanofi Rech, Dept Access Med, Gentilly, France
[4] Univ Hlth Sci, Phnom Penh, Cambodia
[5] Calmette Hosp, Dept Neurol, Phnom Penh, Cambodia
[6] Cambodian Soc Neurol, Phnom Penh, Cambodia