Wuhan University - Department of Pathology, Wuchang District Center for Disease Control and Prevention, Wuhan University - Department of Geriatrics, Qingshan District Center for Disease Control and Prevention, Wuhan University - Department of Infectious Disease, Wuhan University - Department of Infectious Disease, Wuhan University - State Key Laboratory of Virology and Wuhan University - Department of Infectious Disease

Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Biological Repositories, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Urology, Wuhan University - Department of Infectious Disease, Wuhan University - Department of Biological Repositories, Wuhan University - Department of Infectious Disease, Wuhan University - Department of Infectious Disease, Wuhan University - Department of Infectious Disease, Wuhan University - Department of Respiratory Medicine, Wuhan University - Department of Laboratory Medicine, Wuhan University - Department of Infectious Disease, Wuhan University - Department of Infectious Disease, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Digestive Endoscopy, Wuhan University - Emergency Center, Central Hospital of Enshi Autonomous Prefecture - Department of Gastroenterology, Wuhan Red Cross Hospital - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Urology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Infectious Disease, Wuhan University - Department of Infectious Disease and Wuhan University - Department of Infectious Disease