Yajima, Hiroshi http://orcid.org/0000-0003-3417-3148
Takahashi, Naoto
Omura, Noburo
Murakami, Keishiro
Mitsumori, Norio
Yanaga, Katsuhiko
Article History
Received: 19 December 2017
Accepted: 10 December 2018
First Online: 17 December 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.