Kato, Masaru http://orcid.org/0000-0002-2023-6585
Yasuda, Shinsuke http://orcid.org/0000-0001-6171-2077
Atsumi, Tatsuya http://orcid.org/0000-0001-5657-962X
Article History
Received: 12 February 2018
Accepted: 3 April 2018
First Online: 5 April 2018
Compliance with ethical standards
:
: Author MK declares that he has no conflict of interest. Author SY declares that he has no conflict of interest. Author TA declares that he has no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.