1. Center for Liver, Digestive and Metabolic Diseases, Departments of Pediatrics, University Medical Center Groningen, University of Groningen Groningen The Netherlands
2. Department of Laboratory Medicine, Center for Liver Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen Groningen The Netherlands
3. Amsterdam Diabetes Center, Department of Vascular Medicine, Academic Medical Center Amsterdam The Netherlands