Kashihara, Hideya http://orcid.org/0000-0003-0739-2126
Shimada, Mitsuo
Yoshikawa, Kozo
Higashijima, Jun
Miyatani, Tomohiko
Tokunaga, Takuya
Nishi, Masaaki
Takasu, Chie
Article History
First Online: 18 June 2019
Compliance with Ethical Standards
: All applicable institutional and/or national guidelines for the care and use of animals were followed. Informed consent statement does not apply to this study.
: The authors declare that they have no conflict of interest.