1. Department of Endocrinology, University Hospitals Leuven–KU Leuven, Leuven, Belgium
2. Department of Endocrinology, Diabetology and Metabolism, University of Antwerp–Antwerp University Hospital, Antwerp, Belgium
3. Department of Endocrinology, OLV Hospital Aalst, Aalst, Belgium
4. Department of Diabetes, Nutrition and Metabolic Disorders, CHU Liege–Liege University, Liege, Belgium
5. Department of Endocrinology, Ziekenhuis Oost-Limburg, Genk, Belgium
6. Department of Endocrinology, Jessa Ziekenhuis, Hasselt, Belgium
7. Department of Endocrinology-Diabetology, Grand Hôpital de Charleroi, Gilly, Belgium
8. Department of Endocrinology, AZ Delta, Roeselare, Belgium
9. Department of Endocrinology, CHR La Citadelle Liège, Liege, Belgium
10. Department of Endocrinology, Cliniques du Sud Luxembourg–Vivalia, Arlon, Belgium
11. Department of Endocrinology, AZ Sint-Jan Brugge AV, Bruges, Belgium
12. Department of Endocrinology, Imelda Hospital Bonheiden, Bonheiden, Belgium
13. Diabetes clinic, University Hospital Brussels–VUB, Brussels, Belgium