Ishiwatari, Ayumi
Endo, Mariko
Wakai, Sachiko
Article History
Received: 4 April 2018
Accepted: 22 June 2018
First Online: 27 June 2018
Compliance with ethical standards
:
: The authors have declared that no conflict of interest exists.
: This article does not contain any studies with human participants performed by any of the authors.
: Informed consent was obtained from the participant included in the article.