1. Pediatric Gastroenterology and Cystic Fibrosis Unit, University of Messina, Messina, Italy
2. Gastroenterology and Nutrition Unit, Meyer Children’s Hospital, Department NEUROFARBA – University of Florence, Florence, Italy
3. Department of Translational Medical Science, Section of Pediatrics, University of Naples Federico II, Naples, Italy
4. Pediatric Palliative Care, Fondazione Hospice MT. C. Seràgnoli, BO, Bentivoglio, Italy
5. Artificial Nutrition Unit Bambino Gesù, Children’s Hospital, Rome, Italy
6. Department of Pediatrics, Buzzi Children’s Hospital, Milan, Italy
7. Department of Health Sciences, University of Milan, Milan, Italy
8. Division of Clinical Nutrition, Regina Margherita Children’s Hospital, Turin, Italy
9. Department of Pediatrics,Università Politecnica delle Marche, Italy