1. Department of Epidemiology, Zhejiang Provincial Key Laboratory of Pathophysiology School of Medicine, Ningbo University Ningbo China
2. Department of Gynecology and Obstetrics People's Hospital affiliated to Ningbo University Ningbo China
3. Community Health Service Center of Qijiashan Street Ningbo China
4. Department of oncology Ningbo Hospital of Traditional Chinese Medicine Ningbo China
5. Department of Preventive Health Care The Third People's Hospital of Beilun District Ningbo China