Goto, Manaka http://orcid.org/0000-0001-8796-9479
Tsuchida, Yumi http://orcid.org/0000-0003-3236-6157
Terada, Keigo
Takahashi, Hideyuki
Sugimori, Yusuke http://orcid.org/0000-0001-7549-6491
Komai, Toshihiko http://orcid.org/0000-0001-5890-3606
Iwasaki, Yukiko http://orcid.org/0000-0002-5786-0760
Shoda, Hirofumi
Fujio, Keishi http://orcid.org/0000-0001-7276-5254
Article History
Received: 21 April 2021
Accepted: 14 June 2021
First Online: 22 June 2021
Declarations
:
: MG has received speaking fees from Bristol-Myers Squibb and Ono Pharmaceutical. YT has received grants from GlaxoSmithKline and speaking fees from GlaxoSmithKline and Chugai. TK has received speaking fees and/or honoraria from Tanabe Mitsubishi, Kissei, Pfizer, Amgen and received grants and speaking fees from GlaxoSmithKline. HS has received fees from Pfizer, Bristol-Myers Squibb, Eli Lilly, Sanofi, AbbVie, GlaxoSmithKline, Gilead, Boehringer Ingelheim, Jansen, Novartis, Chugai, Takeda, Astellas, Eisai, Asahi Kasei and Daiichi-Sankyo, and has received research grants from Novartis. KF has received speaking fees and/or honoraria from Tanabe Mitsubishi, Bristol-Myers Squibb, Eli Lilly, Chugai, Jansen, Pfizer, Ono, Abbie, Ayumi, Astellas, Sanofi, Novartis, Daiichi Sankyo, Eisai, Asahi Kasei, Japan Blood Products Organization, and Kowa, and has received research grants from Tanabe Mitsubishi, Bristol-Myers Squibb, Eli Lilly, Chugai, Abbie, Ayumi, Astellas, Sanofi, Eisai, and Asahi Kasei.
: This study was approved by the ethics committee of the University of Tokyo Hospital (2431) on February 20th in 2009.
: The ethics committee at our institution does not require patient consent for retrospective chart studies. Patients were provided chances to opt out of the study.
: Not applicable.
: Not applicable.