Department of Urology;
Beijing Hospital;
No. 1 Dahua Road;
Dongcheng District;
Beijing 100730;
China;
Health Assessment Center;
Beijing Hospital;
NO.1 Dahua Road Dongcheng District;
Beijing 100730;
China;
Medical Statistics Department;
Ditan Hospital;
No. 13;
Ditan Street;
Dongcheng District;
Beijing 100015;
China;