1. Centre for Diabetes and Endocrinology, Claremont, Cape Town, South Africa
2. Department of Diabetes and Endocrinology, University of KwaZulu-Natal, Durban, South Africa
3. Department of Endocrinology, Diabetology, Metabolic Disease, and Nutrition, Mohammed VI University of Health Sciences (UM6SS), Casablanca, Morocco
4. Biotechnology Center, University of Yaoundé I, Yaoundé, Cameroon
5. Sanofi, Johannesburg, South Africa