1. Department of Infectious Diseases Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine Nanjing Jiangsu China
2. Department of Infectious Disease, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School Nanjing University Nanjing Jiangsu China
3. Stanford University Stanford, Palo Alto California USA
4. Department of Infectious Disease, Shandong Provincial Hospital Shandong University Ji'nan Shandong China
5. Department of Infectious Disease Shandong Provincial Hospital Affiliated to Shandong First Medical University Ji'nan Shandong China
6. Department of Infectious Diseases The Affiliated Hospital of Hangzhou Normal University Hangzhou Zhejiang China
7. Division of Gastroenterology and Hepatology Stanford University Medical Center Palo Alto California USA
8. Department of Epidemiology and Population Health Stanford University School of Medicine Palo Alto California USA
9. Department of Epidemiology and Population Health Veterans Affairs Medical Center Palo Alto California USA