Saito, Junichi https://orcid.org/0000-0002-6040-4926
Nakai, Kishiko
Kawaguchi, Jun
Takekawa, Daiki
Hirota, Kazuyoshi
Article History
Received: 24 March 2018
Accepted: 17 July 2018
First Online: 3 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.