1. University of Groningen and University Medical Center Groningen, Department of Gastroenterology and Hepatology, Groningen, Netherlands.
2. University of Groningen and University Medical Center Groningen, Department of Genetics, Groningen, Netherlands.
3. Center for Microbiome Informatics and Therapeutics, Massachusetts Institute of Technology, Cambridge, MA, USA.
4. Broad Institute of Harvard and MIT, Cambridge, MA, USA.
5. Maastricht University Medical Center+, Division Gastroenterology-Hepatology, NUTRIM School for Nutrition, and Translational Research in Metabolism, Maastricht, Netherlands.
6. University of Groningen and University Medical Center Groningen, Department of Pediatrics, Groningen, Netherlands.