1. Department of Endocrinology, University Hospitals Leuven – KU Leuven, Leuven, Belgium
2. Interuniversity Institute for Biostatistics and Statistical Bioinformatics, KU Leuven and University of Hasselt, Leuven, Belgium
3. Department of Endocrinology-Diabetology-Metabolism, University Hospital Antwerp, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
4. Academic Hospital and Diabetes Research Centre, Vrije Universiteit Brussel, Brussels, Belgium
5. Department of Endocrinology, OLV Hospital Aalst, Aalst, Belgium
6. Department of Endocrinology, Imeldaziekenhuis Bonheiden, Bonheiden, Belgium
7. Department of Endocrinology, AZ Groeninge, Kortrijk, Belgium