1 1 Peking University Cancer Hospital & Institute, Beijing 100142, China ; 2 Cancer Institute & Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China ; 3 People's Liberation Army (PLA) 81 Hospital, Nanjing 210002, China ; 4 Cancer Hospital Affiliated to Fudan University, Shanghai 200032, China ; 5 Sun Yat-sen University Cancer Center, Guangzhou 510060, China ; 6 Peking University Institute of Urology & Peking University First Hospital, Beijing 100034, China ; 7 West China Hospital of Sichuan University, Chengdu 610041, China ; 8 Washington University School of Medicine, St. Louis, USA ; 9 Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200135, China ; 10 Southwest Hospital, Third Military Medical University, Chongqing 400038, China ; 11 Peking University International Hospital, Beijing 100142, China ; 12 The First Affiliated Hospital of Dalian Medical University, Dalian 116011, China ; 13 Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China ; 14 First Affiliated Hospital of Anhui Medical University, Hefei 230022, China ; 15 Jiangsu Province Hospital & First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China ; 16 Yunnan Provincial Cancer Hospital, Kunming 650118, China ; 17 Shandong Provincial Hospital, Jinan 250012, China ; 18 Qilu Hospital of Shandong University, Jinan, China ; 19 PLA 174 Hospital & Nanjing Military Region Cancer Center, Xiamen 361003, China ; 20 General Hospital of Shenyang Military Command, Shenyang 110016, China ; 21 Cancer Hospital Affiliated to Tianjin Medical University, Tianjin 300060, China ; 22 Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China ; 23 Cancer Hospital Affiliated to Harbin Medical University, Harbin 150001, China.