Sato, Hiroyuki
Takata, Takushi
Sakurai, Yoshinori
Article History
Received: 18 June 2018
Revised: 10 December 2018
Accepted: 11 December 2018
First Online: 19 December 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: This article does not contain any studies with human participants performed. This article does not contain any studies with animals performed.
: Informed consent for this study was not required because no research involving human participants was undertaken by any of the authors.