Hashimoto, Yoshifumi http://orcid.org/0000-0001-7105-4901
Kanda, Tatsuo
Chida, Tadasu
Suda, Kazuyoshi
Article History
Received: 24 December 2019
Accepted: 23 September 2020
First Online: 16 November 2020
Ethics approval and consent to participate
: Not applicable.
: The authors declare that they have no competing interests.