Hoshimoto, Sojun
Hishinuma, Shoichi
Shirakawa, Hirofumi
Tomikawa, Moriaki
Ozawa, Iwao
Ogata, Yoshiro
Article History
Received: 3 July 2019
Accepted: 6 November 2019
First Online: 25 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures involving human participants were conducted in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.