1. Department of Urology, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong, 510260, China
2. Department of Urology, the First Affiliated Hospital of Guangzhou Medical University, Guangdong Key Laboratory of Urology, Guangzhou, 510230, China
3. Guangzhou Institute of Dermatology, Guangzhou, 510095, China
4. Department of Urology, Shenzhen Shockwave Lithotripsy Research Institute, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong 518033, China