Yoshida, Fumiaki
Hirata, Masayuki
Onodera, Ayako
Goto, Tetsu
Sugata, Hisato
Yorifuji, Shiro
Article History
Received: 25 May 2016
Accepted: 19 May 2017
First Online: 30 June 2017
Competing Interests
: The authors declare that they have no competing interests.