Hashimoto, Shigeru
Mikami, Shuji
Sugino, Hirokazu
Yoshikawa, Ayumu
Hashimoto, Ari
Onodera, Yasuhito
Furukawa, Shotaro
Handa, Haruka
Oikawa, Tsukasa
Okada, Yasunori
Oya, Mototsugu
Sabe, Hisataka
Article History
Received: 6 June 2015
Accepted: 6 January 2016
First Online: 8 February 2016
Competing interests
: The authors declare no competing financial interests.