Nagata, Koji http://orcid.org/0000-0001-7144-1290
Nakamura, Tadao
Article History
Received: 13 June 2019
Accepted: 27 August 2019
First Online: 14 September 2019
Compliance with Ethical Standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.