Fujii, Tomoaki
Tsunesumi, Shin-ichiro
Sagara, Hiroshi
Munakata, Miyo
Hisaki, Yoshihiro
Sekiya, Takao
Furukawa, Yoichi
Sakamoto, Kazuhiro
Watanabe, Sumiko
Article History
Received: 27 April 2015
Accepted: 15 June 2016
First Online: 5 July 2016
Competing interests
: The authors declare no competing financial interests.