1. Internal Medicine Department, Chun’an Maternal and Child Health Hospital, Hangzhou, Zhejiang, China
2. Emergency and Critical Care Center, Intensive Care Unit, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital Hangzhou Medical College), Hangzhou, Zhejiang, China
3. Department of Infectious Diseases, Tiantai People’s Hospital of Zhejiang Province (Tiantai Branch of Zhejiang People’s Hospital), Taizhou, Zhejiang, China