Ueno, Makoto
Ohkawa, Shinichi
Morimoto, Manabu
Ishii, Hiroshi
Matsuyama, Masato
Kuruma, Sawako
Egawa, Naoto
Nakao, Haruhisa
Mori, Mitsuru
Matsuo, Keitaro
Hosono, Satoyo
Nojima, Masanori
Wakai, Kenji
Nakamura, Kozue
Tamakoshi, Akiko
Takahashi, Mami
Shimada, Kazuaki
Nishiyama, Takeshi
Kikuchi, Shogo
Lin, Yingsong
Article History
Received: 8 January 2015
Accepted: 22 October 2015
First Online: 23 November 2015
Competing interests
: The authors declare no competing financial interests.