1. Luohu Clinical College of Shantou University Medical College, Shantou University Medical College, Shantou, 515000 Guangdong, China
2. Institute of Urology, The Affiliated Luohu Hospital of Shenzhen University, Shenzhen University, Shenzhen 518000, China
3. Institute of Urology, South China Hospital, Health Science Center, Shenzhen University, Shenzhen 518116, China