1. Laboratory of Epidemiology of Chronic and Neurological Diseases, University of Abomey-Calavi, Cotonou
2. University and Departmental Hospital Oueme-Plateau, Porto-Novo
3. Centre for Medical Informatics, Usher Institute, University of Edinburgh, Edinburgh
4. Inserm U1094, IRD UMR270, Univ. Limoges, CHU Limoges, EpiMaCT - Epidemiology of chronic diseases in tropical zone, Institute of Epidemiology and Tropical Neurology, OmegaHealth, Limoges