Professor Wang Kai, MD, Postdoctoral Gellow at the China Center for Disease Control and Prevention, and Director of Department of Hepatology, Qilu Hospital of Shandong University. Professor Wang has undertaken multiple projects such as the National Natural Science Foundation of China. Professor Wang has published over 80 academic papers. Professor Wang's main research field include: (1) Epigenetic molecular typing and individualized diagnosis of liver diseases; (2) Basic and clinical research on immune cell regulation in liver diseases; (3) Basic and clinical research on oxidative damage in liver diseases; and (4) HBsAg negative conversion study.