1. Department of Gastroenterology, Faculty of Medicine, University of Chile, Santiago, Chile; San Juan de Dios Hospital, Santiago, Chile
2. San Juan de Dios Hospital, Santiago, Chile; Inflammatory Bowel Disease Unit, Department of Gastroenterology, Faculty of Medicine, University of Chile, Santiago, Chile
3. Department of Pediatrics, Faculty of Medicine, Pontifical Catholic University of Chile, Santiago, Chile
4. Hepatology Unit, Department of Gastroenterology, Faculty of Medicine, University of Chile, Santiago, Chile
5. Inflammatory Bowel Disease Program, Department of Gastroenterology, Clínica Las Condes, Santiago, Chile