Jingu, Akihiko
Hayashi, Fumio http://orcid.org/0000-0003-4465-5060
Article History
Received: 5 March 2018
Accepted: 4 September 2018
First Online: 15 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not report on any study with human participants performed by any of the authors.