Shiraishi, Takuya
Nishizawa, Yuji https://orcid.org/0000-0002-7263-2424
Ikeda, Koji
Tsukada, Yuichiro
Sasaki, Takeshi
Ito, Masaaki
Article History
Received: 8 July 2019
Accepted: 18 June 2020
First Online: 22 June 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of National Cancer Center Hospital (no. 2017–350).
: Not applicable.
: The authors declare that they have no competing interests.