1. Territorial Gastroenterology Service, Asl Bat, Andria, Italy
2. Department of Medical and Surgical Sciences, Post-graduate School of Digestive Diseases Catholic University, Rome, Italy
3. Division of Gastroenterology, “Brotzu” Hospital, Cagliari, Italy
4. Division of Gastroenterology, “Santa Caterina Novella” Hospital, Galatina, Italy
5. Division of Gastroenterology, “Guglielmo Da Saliceto” Hospital, Piacenza, Italy
6. Division of Gastroenterology, “T. Maresca” Hospital, Torre Del Greco, Italy
7. Digestive Endoscopy Unit, “San Matteo Degli Infermi” Hospital, Spoleto, Italy
8. Division of Gastroenterology, “Umberto I” Hospital, Nocera Inferiore, Italy
9. Division of Gastroenterology, “Ospedali Riuniti” Hospital, Foggia, Italy
10. Digestive Endoscopy Unit, ULSS7 Pedemontana, Santorso, Italy
11. Digestive Endoscopy Unit, “S. Maria Goretti” Hospital, Latina, Italy
12. Gastroenterology and Endoscopy Unit, Department of Medicine and Surgery, University of Parma, Parma, Italy
13. Division of Gastroenterology, “S. Giovanni - Addolorata” Hospital, Rome, Italy
14. Division of Gastroenterology, “Nuovo Regina Margherita” Territorial Hospital, Rome, Italy
15. Department of Health Science, University of Catanzaro, Catanzaro, Italy
16. Division of Gastroenterology, “Annunziata” Hospital, Cosenza, Italy
17. Territorial Gastroenterology Service, Asl Ba, Bari, Italy
18. Division of Gastroenterology, Ibd Unit, “S. Pertini” Hospital, Rome, Italy
19. Ambulatory for Ibd Treatment, “Valle D’Itria” Hospital, Martina Franca, Italy
20. Division of Gastroenterology, “Ciaccio-pugliese” Hospital, Catanzaro, Italy
21. Division of Gastroenterology, “San Salvatore” Hospital, Pesaro, Italy
22. Division of Gastroenterology, “Belcolle” Hospital, Viterbo, Italy
23. Division of Gastroenterology, “P. Pio” Hospital, Vasto, Italy
24. Division of Gastroenterology, “S. Camillo” Hospital, Rome, Italy
25. Division of Gastroenterology, “L. Sacco” University Hospital, Milan, Italy
26. Division of General Surgery, “P. Colombo” Hospital, Velletri, Italy
27. Department of Medical and Surgical Sciences, Università Cattolica Del S. Cuore and Cemad, Fondazione Policlinico Universitario “A. Gemelli,” Irccs, Rome, Italy
28. Department of Medicine and Ageing Sciences, ”G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy
29. Center for Advanced Studies and Technology (CAST), “G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy