1. Department of Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325035, Zhejiang, China
2. Department of Gastrointestinal, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325035, Zhejiang, China
3. Department of Microbiology and Immunology, Institute of Molecular Virology and Immunology, Wenzhou Medical University, Wenzhou 325035, Zhejiang, China