[1] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Gastroenterol & Endoscopy Unit, I-20214 Milan, Italy
[2] Univ Milan, Dept Pathophysiol & Transplantat, I-20124 Milan, Italy
[3] Univ Milan, Dept Biomed Surg & Dent Sci, I-20124 Milan, Italy
[4] Politecn Milan, Dept Math, I-20124 Milan, Italy
[5] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Dept Internal Med, Resp Unit, I-20124 Milan, Italy
[6] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Cyst Fibrosis Adult Ctr, I-20124 Milan, Italy
[7] Univ Palermo, Dept Hlth Promot Sci Maternal & Infant Care Inter, I-90145 Palermo, Italy
[8] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Ctr Prevent & Diag Celiac Dis, I-20124 Milan, Italy