Harada, Kazuaki
Okamoto, Wataru
Mimaki, Sachiyo
Kawamoto, Yasuyuki
Bando, Hideaki
Yamashita, Riu
Yuki, Satoshi
Yoshino, Takayuki
Komatsu, Yoshito
Ohtsu, Atsushi
Sakamoto, Naoya
Tsuchihara, Katsuya
Funding for this research was provided by:
National Cancer Center Research and Development Fund 25A-6
Article History
Received: 20 December 2017
Accepted: 14 March 2019
First Online: 21 March 2019
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Board of the National Cancer Center. Samples of the four patients admitted before June 2011 and whose written informed consents could not be obtained were used with the approval of the Institutional Review Board, which privileged the opt-out for the patients, according to the Ethical Guidelines for Epidemiological Research issued by Ministry of Education, Culture, Sports, Science and Technology, and Ministry of Health, Labour and Welfare of Japan.
: Informed consent to publish identifying patient details was obtained from all participants included in this study.
: The authors declare that they have no competing interests.
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