1. University of Groningen, University Medical Center Groningen, Department of Gastroenterology and Hepatology, Groningen, The Netherlands
2. University of Groningen and University Medical Center Groningen, Department of Genetics, Groningen, The Netherlands
3. Maastricht University Medical Center, Division of Gastroenterology-Hepatology, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht, The Netherlands
4. University of Groningen and University Medical Center Groningen, Department of Pediatrics, Groningen, The Netherlands