Miura, Yosuke
Imai, Hisao http://orcid.org/0000-0003-3097-4255
Sakurai, Reiko
Kaira, Kyoichi
Sunaga, Noriaki
Minato, Koichi
Saito, Ryusei
Hisada, Takeshi
Article History
Received: 25 January 2018
Accepted: 26 February 2018
First Online: 5 March 2018
Compliance with ethical standards
:
: The authors have no conflicts of interest to declare.
: The study’s protocol complied with the Declaration of Helsinki and was approved by the institutional review boards of Gunma Prefectural Cancer Center and Shibukawa Medical Center. Formal consent of patients was not required for this type of retrospective study.