Okazawa-Sakai, Mika http://orcid.org/0000-0002-6439-856X
Yokoyama, Takanori
Fujimoto, Etsuko
Okame, Shinichi
Shiroyama, Yuko
Yokoyama, Takashi
Takehara, Kazuhiro
Article History
Received: 9 August 2017
Accepted: 7 February 2018
First Online: 14 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.