1. Colorectal Surgery Unit; Cajuru University Hospital; Catholic University of Paraná; Curitiba Brazil
2. Colorectal Surgery Unit; Humanitas Research Hospital; Milano Italy
3. Gastroenterology Unit; Toho University Sakura Medical Centre; Chiba Japan
4. Gastrosaude Outpatient Clinic; Marilia Brazil
5. IBD Unit; Heliopolis Hospital; Sao Paulo Brazil
6. Digestive Surgery Department; Sao Paulo State University (UNESP); Botucatu Brazil
7. IBD Centre; Yokkaichi Hazu Medical Centre; Yokkaichi Japan