1. Department of Gynecological Oncology, Cancer Hospital of Harbin Medical University, Harbin, China
2. Disease Prevention Center, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China
3. Department of Gynecology and Obstetrics, The Fourth Hospital of Harbin Medical University, Harbin, China
4. Shenzhen Hospital of Guangzhou University of Chinese Medicine, Shenzhen, China