Nishiyama, Naotaka
hirobe, Megumi
Kikushima, Takuya
Matsuki, Masahiro
Takahashi, Atsushi
Yanase, Masahiro
Ichimatsu, Keisuke
Egawa, Masayuki
Hayashi, Norihiro
Negishi, Takahito
Masumori, Naoya
Kitamura, Hiroshi
Article History
Received: 10 July 2019
Accepted: 20 July 2020
First Online: 25 July 2020
Ethics approval and consent to participate
: This study was approved by the ethics committees of all participating institutions and obtaining additional informed consent from patients was not required by the ethic committees for this retrospective study. Any administrative permissions and/or licenses were acquired by our team to access the data used in our research.Sapporo Medical University Urologic Oncology Consortium: the institutional review board of Sapporo Medical University, the institutional review board of Hakodate Goryoukaku Hospital, the institutional review board of Sunagawa City Medical Center.Toyama Urologic Study Group: the institutional review board of Faculty of Medicine University of Toyama, the institutional review board of Tonami general hospital, the institutional review board of Takaoka city hospital.National Hospital Organization Kyushu Cancer Center: the institutional review board of National Hospital Organization Kyushu Cancer Center.
: Not applicable.
: Hiroshi Kitamura received honoraria from Bristol-Myers Squibb.