Yamada, Akira https://orcid.org/0000-0001-7513-7296
Article History
Received: 10 June 2019
Accepted: 29 June 2019
First Online: 26 July 2019
Compliance with Ethical Standards
:
: The author declares that he has no conflicts of interest to disclose.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: For this type of study informed consent is not required.