Development and Validation of a Novel Recurrence Risk Stratification for Initial Non-muscle Invasive Bladder Cancer in Asia oleh Takeshi Ieda, M.D., Ph.D., Satoru Muto, M.D., Ph.D., Fumitaka Shimizu, M.D., Ph.D., Masataka Taguri, M.D., Ph.D., Shigeto Yanada, M.D., Kousuke Kitamura, M.D., Ph.D., Kazutaka Terai, M.D., Ph.D., Keisuke Saito, M.D., Ph.D., Tatsuya Ogishima, M.D., Ph.D., Masayoshi Nagata, M.D., Ph.D., Hisamitsu Ide, M.D., Ph.D., Takatsugu Okegawa, M.D., Ph.D., Yoshiaki Wakumoto, M.D., Ph.D., Yoshiro Sakamoto, M.D., Ph.D., Akira Tsujimura, M.D., Ph.D., Raizo Yamaguchi, M.D., Ph.D., Kikuo Nutahara, M.D., Shigeo Horie, M.D.