Okunaka, Mashiro
Kotani, Daisuke
Demachi, Ken
Fujiwara, Hisashi
Sakashita, Shingo
Yoshino, Takayuki
Fujita, Takeo
Kojima, Takashi
Article History
Received: 1 June 2021
Accepted: 22 September 2021
First Online: 5 October 2021
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: MO has nothing to disclose. DK reports honoraria from Taiho, Ono, Daiichi-Sankyo, Pfizer, Takeda, Lilly, Merck Biopharma, MSD, Bristol-Myers Squibb, Chugai, and Sysmex. KD has nothing to disclose. HF has nothing to disclose. SS has nothing to disclose. TY reports receiving research funding from Taiho, Sumitomo Dainippon, Ono, Chugai, Amgen, Parexel international, MSD, Daiichi-Sankyo, and Sanofi. TF has nothing to disclose. TK reports receiving research funding from MSD, Ono, Bristol-Myers Squibb, Astellas Amgen, Taiho, Chugai, and Shionogi; and honoraria from Ono, Bristol-Myers Squibb, MSD, Astellas, Merck, and Oncolys.
: Informed consent requirement was waived due to the retrospective observational design of the study, with opt-out opportunity provided at the institution’s website.