Sasada, Shinsuke http://orcid.org/0000-0003-1623-869X
Masumoto, Norio
Emi, Akiko
Kadoya, Takayuki
Arihiro, Koji
Okada, Morihito
Article History
Received: 4 August 2020
Accepted: 2 March 2021
First Online: 19 March 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Institutional Review Board. 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. For this type of study formal consent is not required.