1. School of Medicine, University of Central Lancashire, Preston, United Kingdom
2. Department of Pediatric Gastroenterology, Emma Children’s Hospital/Amsterdam University Medical Centers, Amsterdam, the Netherlands
3. Department of Life Sciences, Brunel University London, London, United Kingdom
4. Department of Pediatric Gastroenterology, The Royal London Children’s Hospital, Barts Health NHS Trust, London, United Kingdom
5. North West Deanery, Manchester, United Kingdom