Owa, Mikito
Uchihashi, Takayuki http://orcid.org/0000-0002-0263-5312
Yanagisawa, Haru-aki
Yamano, Takashi
Iguchi, Hiro
Fukuzawa, Hideya
Wakabayashi, Ken-ichi
Ando, Toshio http://orcid.org/0000-0001-8819-154X
Kikkawa, Masahide http://orcid.org/0000-0001-7656-8194
Article History
Received: 27 August 2018
Accepted: 10 February 2019
First Online: 8 March 2019
Competing interests
: The authors declare no competing interests.