1. Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China (mainland)
2. Department of Urology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan normal University, Changsha, Hunan, China (mainland)
3. Department of Emergency, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan normal University, Changsha, Hunan, China (mainland)