1 Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Department of Pathophysiology and Organ Transplantation, University of Milano, Milan, Italy. . gianeugeniotontini@gmail.com.
2 Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Department of Pathophysiology and Organ Transplantation, University of Milano, Milan, Italy. roberto.penagini@unimi.it.
3 Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Department of Pathophysiology and Organ Transplantation, University of Milano, Milan, Italy. maurizio.vecchi@unimi.it.
4 Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy; Department of Clinical and Biomedical Sciences "Luigi Sacco", University of Milan, Milan, Italy; "Aldo Ravelli" Center for Neurotechnology and Brain Therapeutics, University of Milan, Milan, Italy. CRC Molecular basis of Neuro-Psycho-Geriatrics diseases, University of Milan, Milan, Italy; Department of Psychiatry and Behavioral Sciences, Stanford University, CA, USA. bernardo.dellosso@unimi.it.
5 Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Department of Pathophysiology and Organ Transplantation, University of Milano, Milan, Italy. luca.elli@policlinico.mi.it.