| Affiliation: | 1. Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China;2. Gastroenterology and Neurology Center, University‐Town Hospital of Chongqing Medical University, Chongqing, China;3. College of Life Science, Chongqing Medical University, Chongqing, China;4. Department of Urology, The Zigong NO.4 People's Hospital, Zigong, China;5. Department of Urology, The Zigong NO.1 People's Hospital, Zigong, China;6. Department of Health Statistics and Information Management, School of Public Health and Management, Chongqing Medical University, Chongqing, China |
