Kiyonaka, Shigeki
Kubota, Ryou
Michibata, Yukiko
Sakakura, Masayoshi
Takahashi, Hideo
Numata, Tomohiro
Inoue, Ryuji
Yuzaki, Michisuke http://orcid.org/0000-0002-5750-3544
Hamachi, Itaru
Article History
Received: 18 June 2015
Accepted: 20 May 2016
First Online: 27 June 2016
Competing interests
: The authors declare no competing financial interests.