Nanjing University - Department of Infectious Diseases, Soochow University - Department of Infectious Diseases, The Fourth Hospital of Huai'an - Department of Critical Medicine, Government of the People's Republic of China - Changzhou Third People's Hospital, Xuzhou Medical University - Department of Infectious Diseases, Nanjing University - Department of Infectious Diseases, The Fourth Hospital of Huai'an - Department of Quality Control Office, Third People's Hospital of Changzhou - Department of Infectious Diseases, Xuzhou Medical University - Department of Infectious Diseases, Third People’s Hospital of Yangzhou - Department of Infectious Diseases, Yancheng Second People’s Hospital - Department of Infectious Diseases, Soochow University - Department of Infectious Diseases, Nanjing Gulou Hospital Group - Department of Infectious Diseases, The Fourth Hospital of Huai'an - Nursing Department, Third People's Hospital of Changzhou - Department of Infectious Diseases, Xuzhou Medical University - Department of Infectious Diseases, Yangzhou University - Department of Gastroenterology, Yancheng Second People’s Hospital - Department of Infectious Diseases, Yancheng Second People’s Hospital - Department of Infectious Diseases, Nanjing Gulou Hospital Group - Department of Infectious Diseases, Lianyungang First People's Hospital - Department of Neurology, Lianyungang First People's Hospital - Department of Emergency, Southeast University - Department of Infectious Diseases, Nanjing University - Department of Infectious Diseases, Nanjing University - Department of Laboratory Medicine and Infectious Diseases, Nanjing University - Department of Infectious Diseases, Nanjing University - Department of Infectious Diseases, Soochow University - Department of Infectious Diseases and Nanjing University - Department of Infectious Diseases