1. Department of Urology, Minimally Invasive Surgery Center, The First Affiliated Hospital of Guangzhou Medical University and Guangdong Key Laboratory of Urology, Guangzhou, China.
2. Department of Urology, Affiliated Dongguan People's Hospital, Southern Medical University, Dongguan, China.
3. Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Department of Urology, Guangzhou First People's Hospital, Guangzhou, China.
4. Medical Ultrasound Department, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
5. Department of Andrology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China.