Ohfuji, S. http://orcid.org/0000-0002-6096-6881
Article History
Received: 8 January 2019
Accepted: 4 April 2019
First Online: 16 April 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.