Takeda, Yoshinori
Mise, Yoshihiro
Ishizuka, Naoki
Harada, Sohei
Hayama, Brian
Inoue, Yosuke
Ishizawa, Takeaki
Ito, Hiromichi
Takahashi, Yu
Saiura, Akio
Article History
Received: 24 July 2018
Accepted: 25 November 2018
First Online: 30 November 2018
Compliance with ethical standards
: This research involved human participants. Informed consent was obtained from all individual participants included in the present study.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institution and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The authors declare that they have no conflicts of interest.