| Institution: | 1. Department of Urinary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P. R. China;2. Hilongjiang Academy of Medical Sciences, Harbin, Heilongjiang, P. R. China;3. Department of Nephrology, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P. R. China;4. Department of Urology, The People's Hospital of Weifang, Weifang, Shandong, P. R. China;5. Department of Urology, The People's Hospital of Zhongshan, Zhongshan, Guangdong, P. R. China;6. Department of Urology, Chinese PLA General Hospital/Chinese PLA Medical Academy, Haiding district, Beijing, P. R. China |
