Institut Regional de Sante Publique Comlan Alfred Quenum;
University of Abomey-Calavi;
Ouidah;
Benin;
Faculty of Health Sciences;
University of Abomey-Calavi;
Cotonou;
Benin;
Institut de Recherche Clinique du Bénin;
Abomey-Calavi;
Bénin;
School of Public Health;
University of Ghana;
Accra;
Ghana;