Okada, Yukinori http://orcid.org/0000-0002-0311-8472
Momozawa, Yukihide
Sakaue, Saori
Kanai, Masahiro http://orcid.org/0000-0001-5165-4408
Ishigaki, Kazuyoshi
Akiyama, Masato
Kishikawa, Toshihiro
Arai, Yasumichi
Sasaki, Takashi http://orcid.org/0000-0002-6275-046X
Kosaki, Kenjiro
Suematsu, Makoto
Matsuda, Koichi
Yamamoto, Kazuhiko
Kubo, Michiaki
Hirose, Nobuyoshi
Kamatani, Yoichiro http://orcid.org/0000-0001-8748-5597
Article History
Received: 9 August 2017
Accepted: 1 February 2018
First Online: 24 April 2018
Competing interests
: The authors declare no competing interests.