Kunita, Kenji
Fujiwara, Katsuo
Article History
Received: 30 August 2021
Accepted: 12 January 2022
First Online: 26 January 2022
Declarations
:
: In accordance with the Declaration of Helsinki, all subjects provided informed consent after receiving an explanation of the experimental protocol, which was approved by the ethics committee at Sapporo International University.
: Not applicable.
: The authors declare that they have no competing interests.