Mitsuya, Koichi
Nakasu, Yoko
Hayashi, Nakamasa
Deguchi, Shoichi
Oishi, Takuma
Sugino, Takashi
Yasui, Kazuaki
Ogawa, Hirofumi
Onoe, Tsuyoshi
Asakura, Hirofumi
Harada, Hideyuki
Article History
Received: 18 December 2019
Accepted: 27 March 2020
First Online: 17 April 2020
Ethics approval and consent to participate
: Approval for this study was obtained from ethical review board of Shizuoka Cancer Center. Individual written informed consent was waived because this study was retrospective in design and based on database extracted records. The waivers of participant consent were approved by the ethical review boards of Shizuoka Cancer Center.
: Not applicable.
: The authors declare that they have no competing interests.