1. Division of Endocrinology Department of Medicine Leiden University Medical Center Leiden The Netherlands
2. Department of Public Health and Primary Care / LUMC‐Campus The Hague Leiden University Medical Center Den Haag The Netherlands
3. TNOResearch Group Child Health Leiden The Netherlands
4. Diabetes Knowledge CentreIsala Zwolle The Netherlands
5. Faculty of Medicine University of Groningen Groningen The Netherlands
6. Department of Internal Medicine University Medical Center Groningen Groningen The Netherlands