1. Pediatric Gastroenterology and Liver Unit, Maternal and Child Health Department, Sapienza University of Rome , Rome , Italy
2. Department of Radiological Sciences, Oncology, and Pathology, Sapienza University of Rome , Rome , Italy
3. Department of Gastroenterology, IRCCS Humanitas Research Hospital , Rozzano , Italy
4. Department of Biomedical Sciences, Humanitas University , Pieve Emanuele , Italy
5. Pediatric Intensive Care Unit, Maternal and Child Health Department, Sapienza University of Rome , Rome , Italy
6. Children’s Center for Digestive Health Care, Children’s Healthcare of Atlanta, and Emory University , Atlanta, Georgia , United States