1. Department of Dermatology and Venereology of the National Teaching Hospital, Hubert Koutoukou Maga (NTH-HKM) of Cotonou, Cotonou, Benin
2. Faculty of Health Sciences, University of Abomey-Calavi, Cotonou, Benin
3. Nephrology and Hemodialysis Department of the NTH-HKM of Cotonou, Cotonou, Benin
4. Department of Dermatology and Venereology of the Departmental and Teaching Hospital of Borgou-Alibori, Parakou, Benin
5. Faculty of Medicine, University of Parakou, Parakou, Benin