Kishino, Mitsuhiro https://orcid.org/0000-0002-2393-9729
Nishida, Kenji
Kimura, Koichiro
Takahashi, Marie
Nakaminato, Shuichiro
Kume, Hiroko
Uchiyama, Hidetoshi
Kudo, Toshifumi
Kawada, Shuichi
Mori, Kouichi
Tateishi, Ukihide
Article History
Received: 15 October 2019
Accepted: 25 January 2020
First Online: 10 February 2020
Compliance with ethical standards
:
: All authors declare no conflict of interest.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Owing to the retrospective study design, ethical approval was not sought from our institutional review board for this study. Informed consent was obtained from all individual participants included in this study.