1. Minimally Invasive Urology Center, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, Shandong, China
2. Department of Urology, Jining No.1 People's Hospital, Jining 272011, Shandong, China
3. Department of Urology, Dongying People's Hospital, Dongying 257091, Shandong, China
4. Department of Urology, Shandong Provincial Qianfoshan Hospital Affiliated to Shandong University, Jinan 250014, Shandong, China
5. School of Basic Medical Sciences, Shandong University, Jinan 250012, Shandong, China