1. Department of Gynaecology and Obstetrics, Taizhou People's Hospital, Taizhou, Jiangsu 225300, P.R. China
2. Department of Pathology, Jiangxi Provincial Tumor Hospital, Nanchang, Jiangxi 330029, P.R. China
3. Translational Medicine Center, Taizhou People's Hospital, Taizhou, Jiangsu 225300, P.R. China