Shiba, Satoshi https://orcid.org/0000-0001-5159-5719
Imaoka, Hiroshi
Shioji, Kazuhiko
Suzuki, Eiichiro
Horiguchi, Shigeru
Terashima, Takeshi
Kojima, Yasushi
Okuno, Tatsuya
Sukawa, Yasutaka
Tsuji, Kunihiko
Umemoto, Kumiko
Asagi, Akinori
Todaka, Akiko
Ueno, Makoto
Ikeda, Masafumi
Morizane, Chigusa
Furuse, Junji
Article History
Received: 15 June 2018
Accepted: 10 October 2018
First Online: 19 October 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of National Cancer Center (reference number, 2014–233). Approval for the review of hospital records was obtained from the Institutional Review Board of National Cancer Center and the patients’ informed consent was waived given the retrospective nature of the study.
: The authors declare that they have no competing interests.
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