1. Department of Urology, Fuzhou General Hospital, Xiamen University, Fujian Medical University, Fuzhou, Fujian, People's Republic of China
2. Department of Health Statistics, Second Military Medical University, Shanghai, People's Republic of China
3. Department of Gynaecology and Obstetrics, Fujian Provincial Hospital, Fujian Medical University, Fuzhou, Fujian, People's Republic of China
4. Institute of Oncology, Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People's Republic of China