1. Department of Gynecology , Women‘s Hospital School of Medicine Zhejiang University 310006 ; Department of Gynecology , Traditional Chinese Medicine of Anji County , Zhejiang Province, 313300 Hangzhou
2. Department of Gynecology , Lishui People’s Hospital , Zhejiang Province 323000 Lishui
3. Department of Gynecology , Women‘s Hospital School of Medicine Zhejiang University 310006 Hangzhou