1. Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China.
2. The Second Clinical College, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
3. Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China.
4. Department of Preventive Medicine, School of Public Health, Zunyi Medical University, Zunyi, China.