1. Department of Pediatric Endocrine and Diabetes, Gaafar Ibn Auf Pediatric Tertiary Hospital, Khartoum, Sudan
2. Sudan Childhood Diabetes Center, Khartoum, Sudan
3. Department of Pediatric and Child Health, Faculty of Medicine, AL-Neelain University, Khartoum, Sudan
4. Institute of Biomedical and Clinical Science, Faculty of Health and Life Sciences, University of Exeter, Exeter, UK
5. Department of Pediatrics, Faculty of Medicine, Omdurman Islamic University, Khartoum, Sudan
6. Division of Endocrine, Department of Pediatric Medicine, Sidra Hospital, Doha, Qatar
7. Division of Pediatric Endocrine, Department of Pediatrics, Prince Mohammed Bin Abdulaziz Hospital, Madinah, Saudi Arabia
8. Department of Pediatrics, Faculty of Medicine, University of Khartoum, Khartoum, Sudan