1. Neurogastroenterology & Motility Unit Gastroenterology Department Great Ormond Street Hospital for Children London UK
2. Department of Paediatrics Children’s Hospital ASST Spedali Civili University of Brescia Brescia Italy
3. Division of Gastroenterology and Hepatology Department of Pediatrics Faculty of Medicine Prince of Songkla University Songkhla Thailand
4. Stem cell and Regenerative Medicine UCL Great Ormond Street Institute of Child Health London UK
5. Nuclear Medicine Unit Department of Radiology Great Ormond Street Hospital for Children London UK
6. Nuclear Medicine Physics Clinical Physics Barts Health NHS Trust London UK
7. Gastroenterology, Hepatology and Liver Transplant Queensland Children’s Hospital Brisbane Queensland Australia