Sugahara, Fumiaki
Pascual-Anaya, Juan
Oisi, Yasuhiro
Kuraku, Shigehiro
Aota, Shin-ichi
Adachi, Noritaka
Takagi, Wataru
Hirai, Tamami
Sato, Noboru
Murakami, Yasunori
Kuratani, Shigeru
Article History
Received: 13 April 2015
Accepted: 7 December 2015
First Online: 15 February 2016
Competing interests
: The authors declare no competing financial interests.