1. Humanitas Research Hospital, IBD Center, Milano, Italy
2. Humanitas Research Hospital, IBD Center/Department of Biomedical Sciences, Milano, Italy
3. Cleveland Clinic, Department of Gastroenterology, Cleveland, USA
4. Humanitas Research Hospital, Dept. Biomed. Sciences, Milano, Italy
5. Icahn School of Medicine at Sinai, Department of Pathology, New York, USA
6. Icahn School of Medicine at Sinai, Division of Genetics and Genomic Sciences, New York, USA
7. Icahn School of Medicine at Sinai, The Henry D. Janowitz Division of Gastroenterology, New York, USA