Kato, Tomoko
Aizawa, Maki
Takayoshi, Katsunori
Yanase, Tohru
Tanaka, Shogo
Shirafuji, Hiroaki
Yamakawa, Makoto
Article History
Received: 6 June 2018
Accepted: 28 July 2018
First Online: 1 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Informed consent is not required because no human participants were involved in this article.
: This article does not contain any studies with human participants performed by any of the authors. All procedures performed in studies involving animals were in accordance with the ethical standards of the institution or practice at which the studies were conducted.