Sawada, Hiroyuki http://orcid.org/0000-0002-6804-8081
Horita, Harukuni
Misawa, Tomoo
Takikawa, Yuichi
Article History
Received: 12 November 2018
Accepted: 19 February 2019
First Online: 1 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.