1. Urology Department Peking University People's Hospital Beijing China
2. Lancaster University, Faculty of Health and Medicine Lancaster UK
3. Office of Retirement Affairs Peking University People's Hospital Beijing China
4. Nursing Department Peking University People's Hospital Beijing China
5. Department of Academic Research Peking University People's Hospital Beijing China
6. Urology Department The Affiliated Qingdao Central Hospital of Qingdao University, The Second Affiliated Hospital of Medical College of Qingdao University Qingdao Shandong China
7. Department of Urology, Peking Union Medical College Hospital Beijing China
8. Peking University Third Hospital Beijing China