1. Department of Urology, Institute of Urology and National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, Sichuan Province, China
2. West China School of Clinical Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
3. Peking University School of Public Health, Institute of Reproductive and Child Health and Department of Epidemiology and Biostatistics, Beijing, China
4. Center of Biomedical big data, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China