João Renato Rebello Pinho, MD, PhD is Professor at the Department of Gastroenterology at the School of Medicine of the University of São Paulo; Coordinator Physician in the Research and Development Sector of the Department of Clinical Pathology and Pathological Anatomy at Hospital Israelita Albert Einstein; Coordinator of the Laboratory of Tropical Gastroenterology and Hepatology, Institute of Tropical Medicine, Department of Gastroenterology, and Director of the Molecular Biology Laboratory, Central Laboratory Division of the Hospital das Clínicas of the School of Medicine of the University of São Paulo.