Sasaki, Takashi http://orcid.org/0000-0002-4313-1102
Asou, Toshihide
Shirakawa, Makoto
Takahashi, Ken-ichiro
Kunugi, Shinobu
Nitta, Takashi
Article History
Received: 17 December 2018
Accepted: 13 February 2019
First Online: 19 February 2019
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.