Tensho, Keiji http://orcid.org/0000-0003-1146-3476
Iwaasa, Tomoya
Koyama, Suguru
Shimodaira, Hiroki
Horiuchi, Hiroshi
Saito, Naoto
Takahashi, Jun
Article History
Received: 29 May 2020
Accepted: 14 August 2020
First Online: 31 August 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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 regional ethical review board in Shinshu University, Japan, approved this study (Ref 4768).