1. Department of Pediatrics, Tergooi Hospital, Blaricum, The Netherlands
2. Department of Gastroenterology, Noordwest Hospital, Alkmaar, The Netherlands
3. Department of Medical Microbiology, Section Clinical Parasitology, Amsterdam UMC, Amsterdam, The Netherlands
4. Department of Pediatric Gastroenterology, Amsterdam UMC, Amsterdam, The Netherlands
5. Department of Medical Microbiology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre, Maastricht, The Netherlands
6. Department of Pediatrics, Emma Children’s Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands