1. Department of Urology; Beijing Tongren Hospital; Capital Medical University; Beijing China
2. Office of Health Care; Qingdao Fuwai Hospital; Qingdao China
3. Department of Urology; Beijing Chaoyang Hospital; Capital Medical University; Beijing China
4. National Clinical Research Center of Cardiovascular Diseases; State Key Laboratory of Cardiovascular Disease; National Center for Cardiovascular Diseases; Fuwai Hospital; Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing China
5. Department of Biostatistics; Harvard T.H. Chan School of Public Health; Boston MA USA