1. Department of Gastroenterology; Clínica Las Condes; Santiago Chile
2. Academic Department Research Unit; Clínica Las Condes; Santiago Chile
3. Department of Gastroenterology, Inflammatory Bowel Disease Program; Clínica Las Condes; Santiago Chile
4. Department of Surgery, Colorectal Surgery Unit, Inflammatory Bowel Disease Program; Clínica Las Condes; Santiago Chile
5. Department of Gastroenterology; Barros Luco Trudeau Hospital; Santiago Chile
6. Academic Department Research Unit, Epidemiology and Biomedical Statistics, Academic Research Unit; Clínica Las Condes; Santiago Chile
7. Department of Pathology; Clínica Las Condes; Santiago Chile