Tajika, Yuki
Murakami, Tohru
Iijima, Keiya
Gotoh, Hiroki
Takahashi-Ikezawa, Maiko
Ueno, Hitoshi
Yoshimoto, Yuhei
Yorifuji, Hiroshi
Article History
Received: 12 January 2017
Accepted: 3 May 2017
First Online: 16 June 2017
Competing Interests
: The authors declare that they have no competing interests.