Affiliation: | 1. Clinical Gastroenterology, School of Medicine, Universidade de Caxias do Sul (UCS), Caxias do Sul (RS), Brazil;2. Pathology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre (RS), Brazil;3. Grupo de Estudos da Doença Inflamatória Intestinal do Brasil (GEDIIB), São Paulo (SP), Brazil;4. Diagnose Group – Pathology, Genetics and Molecular Biology, Caxias do Sul (RS), Brazil;5. Post-Graduate Program in Surgery, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre (RS), Brazil;6. Vero/Dellaudo Radiology Clinic, Caxias do Sul (RS), Brazil;7. Radiology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre (RS), Brazil;1. Clinical Research Center, University Hospitals Cleveland Medical Center, Cleveland, Ohio;2. Department of Internal Medicine, West Virginia University–Charleston Division, West Virginia;1. Division of Gastroenterology and Liver Disease, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, Ohio;2. Clinical Research Center, University Hospitals Cleveland Medical Center, Cleveland, Ohio;1. Department of Interventional Radiology, Westmead Hospital, Westmead, NSW, Australia;2. Department of Gastroenterology, Royal Melbourne Hospital, Parkville, VIC, Australia;3. Department of Tissue Pathology and Diagnostic Oncology, Institute of Cellular Pathology and Molecular Research, Westmead Hospital, Westmead, NSW, Australia |