1. Department of Urology, Beijing Friendship Hospital, Capital Medical University, 95 Yongan Road, Xicheng District, Beijing 100050, China.
2. Department of Urology, Chinese People’s Liberation Army (PLA) General Hospital, 28 Fuxing Road, Haidian District, Beijing 100853, China.
3. Department of Geriatric Cardiology, The 8th Medical Center of Chinese People’s Liberation Army (PLA) General Hospital, 17A Heishanhu Road, Haidian District, Beijing 100091, China.
4. Organ Transplant Institute, The 8th Medical Center of Chinese People’s Liberation Army (PLA) General Hospital, 17A Heishanhu Road, Haidian District, Beijing 100091, China.