Isobe, Sachiko http://orcid.org/0000-0002-9555-5054
Shirasawa, Kenta http://orcid.org/0000-0001-7880-6221
Hirakawa, Hideki http://orcid.org/0000-0002-7128-7390
Article History
Received: 14 May 2019
Accepted: 19 August 2019
First Online: 29 August 2019
Compliance with ethical standards
:
: There is no conflict of interest regarding the publication of this article.