Functional gastro-intestinal disorder algorithms focus on early recognition, parental reassurance and nutritional strategies.

Address: Department of Paediatrics, UZ Brussel, Vrije Universiteit Brussel, Brussels, Belgium.; Department of Paediatrics, Emma Children's Hospital/AMC, Amsterdam, The Netherlands.; Department of Paediatrics, University Hospital Cologne, Cologne, Germany.; Nutrition and Dietetics Deptartment, Chelsea and Westminster NHS Healthcare Foundation, London, UK.; Department of Paediatrics, Faculty of Medicine, Jeanne de Flandre University Hospital, CHRU Lille, University of Lille, Lille, France.; Department of Translational Medical Science, Section of Paediatrics, University of Naples Federico II, Naples, Italy.; Department of Pediatrics, Section of Gastroenterology, Hepatology and Transplantation, Hospital Italiano, Buenos Aires, Argentina.; Department of Neuroscience, Pharmacology and Child Health, University of Florence-Meyer Children's Hospital, Florence, Italy.; Department of Gastroenterology, Hepatology and Nutrition, University Children's Hospital, Ljubljana, Slovenia.; First Department of Paediatrics, University of Athens, Children's Hospital 'Agia Sofia', Athens, Greece.; Paediatric Gastroenterology and Hepatology Unit, La Fe University Hospital, Valencia, Spain.; APHP-Hôpital Necker Enfants Malades, Service de Gastroenterologie Pédiatrique, Paris, France.; Faculté de Médecine, Université Sorbonne Paris Cité - Paris Descartes, Paris, France.; Paediatric Department, University of Insubria, Varese, Italy.; Sackler Faculty of Medicine, Schneider Children's Medical Centre of Israel, Tel-Aviv University, Tel-Aviv, Israel.; Paediatric Center, Clinique des Grangettes and Centre Médical Universitaire, Geneva, Switzerland.; Department of Paediatrics, The Medical University of Warsaw, Warsaw, Poland.; Gastroenterology Unit, Great Ormond Street Hospital and UCL Institute of Child Health, London, UK.; Paediatric Gastroenterology, Hadassah Hebrew University Medical Center, Jerusalem, Israel.