Kawachi, Hiroshi http://orcid.org/0000-0003-0823-1981
Fukusumi, Yoshiyasu
Article History
Received: 21 October 2019
Accepted: 15 January 2020
First Online: 4 February 2020
Compliance with ethical standards
:
: The authors have declared no competing interest.
: This article does not contain any original studies with human participants or animals performed by any of the authors.