1. IBD Center, Laboratory of Gastrointestinal Immunopathology, Humanitas Clinical and Research Center, Milan, Italy
2. Department of Biomedical Sciences, Humanitas University, Milan, Italy
3. Division of Neuroscience, San Raffaele Scientific Institute, Milan, Italy
4. Institut National de la Santé et de la Recherche Médicale U954 and Department of Gastroenterology, Nancy University Hospital, Lorraine University, Nancy, France