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Hiroyuki Nishiyama received honoraria from Astellas, BMS, Janssen, MSD, Ono, and Pfizer, and a grant from Chugai and Astellas. The other authors have no conflicts of interest to declare. Tomonori Habuchi received honoraria from Janssen Pharmaceutical K.K., Nippon Kayaku Co., LTD., Takeda Pharmaceutical Company Ltd., Astellas Pharma Inc., Daiichi Sankyo Company, Ltd., AstraZeneca K.K., Sanofi S.A., Novartis Pharmaceuticals and Bayer AG. Tomonori Habuchi also received research funding supports from Mochida Pharmaceutical Co., Novartis Pharmaceuticals Co, LTD., Pharmaceuticals Co, LTD. and Sysmex Co. Wataru Obara received honoraria from Astellas Pharma Inc., AstraZeneca K.K., Ono Pharmaceutical Co., Ltd., Bristol-Myers Squibb, Merck Biopharma Co., Ltd., Takeda Pharmaceutical Company Ltd., Merck Biopharma. Norihiko Tsuchiya received honoraria from Janssen Pharmaceutical K.K., Pfizer Inc., Takeda Pharmaceutical Co. Ltd., Astellas Pharma Inc., Ono Pharmaceuticals Co., Ltd., MSD K.K., Merk & Co., Inc. Other authors have no conflicts of interest to declare.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}},{"value":"This retrospective, multi-institutional study was approved by the Institutional Review Boards or Ethics Committees of all participating centers, based on the central approval granted by the Ethics Committee of the Hirosaki University School of Medicine (approval number: 2023\u2013063\u20131), which served as the central ethics committee for this study. The requirement for informed consent was waived by the Ethics Committee of the Hirosaki University School of Medicine due to the retrospective nature of the study, and information was disclosed to patients using an opt-out approach. 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