Guo, Chang-Ying
Luo, Lan
Urata, Yoshishige
Goto, Shinji
Huang, Wen-Jing
Takamura, Syu
Hayashi, Fumiko
Doi, Hanako
Kitajima, Yuriko
Ono, Yusuke
Ogi, Tomoo
Li, Tao-Sheng
Article History
Received: 22 August 2014
Accepted: 2 January 2015
First Online: 27 January 2015
Competing interests
: The authors declare no competing financial interests.