1. Department of Endocrinology Diabetology and Metabolism Antwerp University Hospital University of Antwerp Edegem Belgium
2. University of Antwerp Faculty of Medicine and Health Sciences Laboratory of Experimental Medicine and Paediatrics (LEMP) Wilrijk Belgium
3. Department of Endocrinology University Hospital Leuven Leuven Belgium
4. Department of Chronic Diseases and Metabolism KU Leuven Laboratory of Clinical and Experimental Endocrinology Leuven Belgium