Kinuya, Seigo http://orcid.org/0000-0002-4495-4872
Article History
Received: 29 November 2018
Revised: 4 December 2018
Accepted: 7 December 2018
First Online: 15 December 2018
Compliance with Ethical Standards
:
: Seigo Kinuya declares no conflict of interest.
: This is a kind of commentary that ethical approval is not required.
: This manuscript does not contain any human study so informed consent should not be applied.