Kodan, Atsushi
Yamaguchi, Tomohiro
Nakatsu, Toru
Matsuoka, Keita
Kimura, Yasuhisa
Ueda, Kazumitsu
Kato, Hiroaki http://orcid.org/0000-0002-5993-4532
Article History
Received: 27 July 2018
Accepted: 5 December 2018
First Online: 8 January 2019
Competing interests
: The authors declare no competing interests.