Centro de Educación Médica e Investigaciones Clínicas (CEMIC) - Department of Medicine, Centro de Educación Médica e Investigaciones Clínicas (CEMIC) - Department of Medicine, Hospital Britanico de Buenos Aires - Gastroenterology Department, Western University - Division of Gastroenterology, University of Miami - Crohn's and Colitis Center, University of Chicago - Inflammatory Bowel Disease Center, Medical University of Vienna, Universidade do Porto - Centre for Research in Health Technologies and Information Systems (CINTESIS), Catholic University of Louvain (UCL) - Department of Gastroenterology and Hepatology, Università Vita-Salute San Raffaele - Department of Gastroenterology and Endoscopy, University of Lorraine - Department of Infectious Disease and University of Lorraine - Department of Hepatogastroenterology