1. Kocaeli University Faculty of Medicine, Department of Paediatric Endocrinology and Diabetes, Kocaeli, Turkey

2. Royal Hospital for Children, Clinic of Endocrinology, Glasgow, United Kingdom

3. CHU Parnet, Clinic of Pediatrics, Algiers, Algeria

4. University Hospital Abderrahim Harouchi, Casablanca, Morocco

5. Southern Glasgow University Hospital, West of Scotland Genetic Services, Glasgow, United Kingdom

6. University of Glasgow Faculty of Medicine, Royal Hospital for Children, Clinic of Child Health, Glasgow, United Kingdom