Resat Ozaras, MD, is a Professor in Infectious Diseases. After completing the residency program of Internal Medicine in Cerrahpasa Medical School at Istanbul University, Turkey, he studied Liver Immunology and Public Health at Harvard University and Data Analysis at Erasmus University, the Netherlands. He has studied acute hepatitis and chronic hepatitis A, B, C, D, and E, and is a member of the Viral Hepatitis Study Group of the European Society of Clinical Microbiology and Infectious Diseases. He is the author of more than 200 publications, including three books on acute viral hepatitis, chronic hepatitis B and chronic hepatitis C.

Veysel Tahan, MD, FACG, FASGE, FACP, FEBSGH, is an Associate Professor of Clinical Medicine and Clinical Director of Inpatient Gastroenterology Services at the University of Missouri. He is an American College of Gastroenterology mentor and a fellow of the American Society for Gastrointestinal Endoscopy, the American College of Physicians, and the European Section and Board of Gastroenterology and Hepatology. He has authored more than 200 publications and is on the editorial board of 18 scientific journals, including Diseases, Frontiers in Medicine – Gastroenterology, World Journal of Hepatology, and Turkish Journal of Medical Sciences.