Shirasawa, Masayuki
Yoshida, Tatsuya http://orcid.org/0000-0003-4896-5824
Horinouchi, Hidehito
Kitano, Shigehisa
Arakawa, Sayaka
Matsumoto, Yuji
Shinno, Yuki
Okuma, Yusuke
Goto, Yasushi
Kanda, Shintaro
Watanabe, Reiko
Yamamoto, Noboru
Watanabe, Shun-ichi
Ohe, Yuichiro
Motoi, Noriko http://orcid.org/0000-0001-7098-3311
Funding for this research was provided by:
Japan Agency for Medical Research and Development (19ck0106411h0002, 19ck0106335h0003)
Article History
Received: 13 February 2020
Revised: 25 September 2020
Accepted: 5 November 2020
First Online: 30 November 2020
Ethics approval and consent to participate
: This retrospective study was approved by the Ethics Committee of the National Cancer Center Hospital (approval number: (2015-289, 2018-264, 2019-123), which waived the requirement for patients’ informed consent. This study was performed in accordance with the Declaration of Helsinki.
: Not applicable.
: The datasets used and/or analysed during the current study are available from the corresponding author on reasonable request.
: The authors declare no competing interests.
: This study was supported in part by MEXT kakenhi (18K07036), and AMED (19ck0106411h0002, 19ck0106335h0003). This work is published under the standard license to publish agreement. After 12 months the work will become freely available and the license terms will switch to a Creative Commons Attribution 4.0 International (CC BY 4.0).