Sakaki, Akio
Kanamori, Jun
Ishiyama, Koshiro
Kurita, Daisuke
Oguma, Junya
Daiko, Hiroyuki
Article History
Received: 8 September 2019
Accepted: 15 May 2020
First Online: 8 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Written informed consent was obtained from all patients in this study, which was approved by the Institutional Review Board of the National Cancer Center Hospital. All treatment was performed according to the ethical standards laid down in the Declaration of Helsinki.