1. Department of Paediatric Hepatology, Gastroenterology and Transplantation, ASST Papa Giovanni XXIII, Bergamo, Italy
2. Department of Pediatric Gastroenterology-Hepatology-Nutrition, APHP Necker-Enfants Malades Hospital, Université Paris Cité, Paris, France
3. Department of Pediatric Surgery, ASST Spedali Civili, Brescia, Italy
4. Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
5. Department of Clinical Sciences, Pediatrics, Umeå University, Umeå, Sweden
6. Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
7. Department of Paediatric Gastroenterology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
8. Department of Medical and Surgical Science, University of Foggia, Foggia, Italy
9. Neonatal Intensive Care Unit, APHP Necker-Enfants Malades Hospital, Paris Cité University, Paris, France
10. CNRC, Department of Pediatrics, Baylor College of Medicine, Houston, TX
11. Serra Hunter, Universitat Rovira I Virgili, IISPV, Tarragona, Spain
12. Department of Neonatology, Oslo University Hospital, Oslo, Norway
13. Department of Neonatology, Instituto de Investigación Sanitaria del Hospital Universitario La Paz – IdiPAZ, Hospital Universitario La Paz – Universidad Autónoma de Madrid, Madrid, Spain
14. Dipartimento di Patologia e cura del bambino “Regina Margherita”, A.U.O. Città delle Salute e della Scienza di Torino, Torino, Italy
15. Department of Pediatrics, Ospedale dei Bambini Vittore Buzzi University of Milan, Milan, Italy
16. Department of Paediatrics, University Hospital Motol, Prague, Czech Republic.