Imafuku, Aya
Nozu, Kandai
Sawa, Naoki
Nakanishi, Koichi
Ubara, Yoshifumi
Article History
Received: 9 December 2019
Accepted: 17 March 2020
First Online: 30 March 2020
Compliance with ethical standards
:
: The authors have declared that no conflict of interest exists.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was not required, as this study did not involve human participants.