1. Laboratory for Molecular Medicine and Metabolism, Biotechnology Center; University of Yaoundé 1; Yaoundé Cameroon
2. Université Paris Diderot, Sorbonne Paris Cité, INSERM U941, Microbiology Laboratory; Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris; Paris France
3. INSERM, UMRS 1138; Cordeliers Research Centre; Paris France
4. Unit of Hormonal Biology, Department of Biochemistry; Saint-Louis University Hospital, Assistance Publique-Hôpitaux de Paris; Paris France
5. Diabetes Research Center; Brussels Free University - VUB; Brussels Belgium
6. Department of Medicine; Groote Schuur Hospital and Universty of Cape Town; Cape Town South Africa
7. National Obesity Centre; Yaoundé Central Hospital; Yaoundé Cameroon
8. Department of Physiological Sciences and Biochemistry; Faculty of Medicine and Biomedical Sciences, University of Yaounde 1; Yaoundé Cameroon
9. Department of Internal Medicine; Faculty of Medicine and Biomedical Sciences, University of Yaoundé I; Yaoundé Cameroon