1. aDivision of Pediatric Gastroenterology and Nutrition, Department of Pediatrics, MassGeneral Hospital for Children, Harvard Medical School, Boston, Massachusetts
2. bMucosal Immunology and Biology Research Center
3. cCenter for Celiac Research and Treatment
4. fEuropean Biomedical Research Institute of Salerno (EBRIS), Salerno, Italy
5. dDepartments of Biostatistics, Harvard Catalyst Biostatistical Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA
6. eNeurology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
7. gPediatric Gastroenterology Unit, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
8. hPediatric Unit “Bruno Trambusti,” Osp Pediatrico Giovanni XXIII, University of Bari, Bari, Italy
9. iCeliac Disease Referral Center, “San Giovanni di Dio e Ruggi d’Aragona” University Hospital, Pole of Cava de' Tirreni, Salerno, Italy
10. jPediatrics, IRCCS Ospedale Giannina Gaslini, Genova, Italy
11. kPediatric Hepatology, Gastroenterology, and Transplant Unit, Ospedale Papa Giovanni XXIII, Bergamo, Italy
12. lFondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
13. mNICU, University of Bari, Bari, Italy