1. Department of Infectious Disease, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
2. Department of Gastroenterology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
3. Department of Infectious Disease, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China