Kubo, Makoto
Kumamaru, Hiraku
Isozumi, Urara
Miyashita, Minoru
Nagahashi, Masayuki
Kadoya, Takayuki
Kojima, Yasuyuki
Aogi, Kenjiro
Hayashi, Naoki
Tamura, Kenji
Asaga, Sota
Niikura, Naoki
Ogo, Etsuyo
Iijima, Kotaro
Tanakura, Kenta
Yoshida, Masayuki
Miyata, Hiroaki
Yamamoto, Yutaka
Imoto, Shigeru
Jinno, Hiromitsu
Funding for this research was provided by:
the Registration Committee of the Japanese Breast Cancer Society
the Japan Society for the Promotion of Science KAKENHI (18K08577)
Article History
Received: 11 January 2020
Accepted: 17 March 2020
First Online: 11 May 2020
Compliance with ethical standards
:
: HK, UI, and HM are affiliated with the department of Healthcare Quality Assessment at the University of Tokyo. The department is a social collaboration department supported by National Clinical Database, Johnson & Johnson K.K., and Nipro corporation. NH and YY have both received honorariums as a speaker or consultant/advisory role from Chugai Pharmaceutical Co. (Tokyo, Japan). The other authors declare that they have no conflict of interest.
: This article does not contain any studies with animals performed by any of the authors. 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.