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Authors
Shibaki, Ryota
Murakami, Shuji https://orcid.org/0000-0001-5104-5493
Matsumoto, Yuji
Yoshida, Tatsuya
Goto, Yasushi
Kanda, Shintaro
Horinouchi, Hidehito
Fujiwara, Yutaka
Yamamoto, Nobuyuki
Kusumoto, Masahiko
Yamamoto, Noboru
Ohe, Yuichiro
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Article History
Received: 21 March 2019
Accepted: 13 November 2019
First Online: 19 November 2019
Compliance with ethical standards
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: Shuji Murakami has served on speakers’ bureaus for Taiho Pharmaceutical, Ono Pharmaceutical. Yasushi Goto has had consulting/advisory roles for Taiho Pharmaceutical; served on speakers’ bureaus for Taiho Pharmaceutical, Ono Pharmaceutical, Bristol-Myers Squibb, Merck Sharp and Dohme (MSD); and received research funding from Taiho Pharmaceutical, Bristol-Myers Squibb, and Ono Pharmaceutical. Shintaro Kanda has received research funding from Ono Pharmaceutical; and received honoraria from Ono Pharmaceutical, Bristol-Myers Squibb. Hidehito Horinouchi has received research funding from MSD, Bristol-Myers Squibb, Ono Pharmaceutical, Taiho Pharmaceutical. Yutaka Fujiwara has received research funding from MSD; and served on speakers’ bureaus for MSD, Taiho Pharmaceutical, Bristol-Myers Squibb, and Ono Pharmaceutical. Nobuyuki Yamamoto has had consulting/advisory roles for Taiho Pharmaceutical; served on speakers’ bureaus for Ono Pharmaceutical, Bristol-Myers Squibb, MSD; and received honoraria from Ono Pharmaceutical, and MSD. Noboru Yamamoto has received research funding from Taiho Pharmaceutical, Bristol-Myers Squibb, and Ono Pharmaceutical; and served on speakers’ bureaus for Bristol-Myers Squibb, Ono Pharmaceutical. Yuichiro Ohe has received research funding from Taiho Pharmaceutical, MSD; and received honoraria from Taiho Pharmaceutical, MSD. All remaining authors have declared no conflicts of interest.
: This study was approved by the Institutional Review Board of the National Cancer Center Hospital, Tokyo, Japan (study approval no. 2015-355) and has been performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was not obtained from each patient, because this retrospective analysis of existing data did not require any interaction with patients and did not intervene in their treatment.
