Okubo, Naoki http://orcid.org/0000-0001-5665-3981
Matsui, Shigeyuki http://orcid.org/0000-0003-2983-1919
Matsumoto, Toshio http://orcid.org/0000-0002-0618-0941
Sugimoto, Toshitsugu http://orcid.org/0000-0003-0627-1816
Hosoi, Takayuki
Osakabe, Taisuke
Watanabe, Ko http://orcid.org/0000-0003-2031-9142
Takami, Hideo http://orcid.org/0000-0003-2968-8753
Shiraki, Masataka http://orcid.org/0000-0001-6599-6185
Nakamura, Toshitaka http://orcid.org/0000-0002-4917-5843
Article History
Received: 31 March 2020
Accepted: 11 August 2020
First Online: 25 August 2020
Compliance with Ethical Standards
:
: Naoki Okubo, Taisuke Osakabe, Ko Watanabe, and Hideo Takami are Daiichi Sankyo employees. Shigeyuki Matsui has received consulting fees from Daiichi Sankyo. Toshio Matsumoto has received consulting fees from Daiichi Sankyo, Chugai, Amgen, and Teijin. Toshitsugu Sugimoto has received consulting fees from Asahi-Kasei and Daiichi Sankyo. He has also received research grants from Eli Lilly Japan, Eisai, Chugai, Daiichi Sankyo, and Astellas. Takayuki Hosoi has received consulting fees from Daiichi Sankyo. Masataka Shiraki has received consulting fees from Daiichi Sankyo, Chugai, Teijin, Asahi-Kasei, and MSD. Toshitaka Nakamura has received consulting fees from Teijin, Daiichi Sankyo, Chugai, Asahi-Kasei, and Amgen.
: 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.
: Informed consent was obtained from all individual participants included in the study.