Ishikawa, Shigeo https://orcid.org/0000-0002-1993-0860
Konta, Tsuneo
Susa, Shinji
Ishizawa, Kenichi
Togashi, Hitoshi
Ueno, Yoshiyuki
Yamashita, Hidetoshi
Kayama, Takamasa
Iino, Mitsuyoshi
Funding for this research was provided by:
the 21st Century Center of Excellence
the Global COE Program of the Japan Society for the Promotion of Science
Article History
Received: 29 June 2020
Accepted: 23 November 2020
First Online: 2 December 2020
Ethics approval and consent to participate
: All procedures performed in studies 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. The Ethics Committee of Yamagata University approved this study protocol. Written informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no conflict of interest.