Yamaguchi-Kabata, Yumi
Nariai, Naoki
Kawai, Yosuke
Sato, Yukuto
Kojima, Kaname
Tateno, Minoru
Katsuoka, Fumiki
Yasuda, Jun
Yamamoto, Masayuki
Nagasaki, Masao
Article History
Received: 25 June 2015
Revised: 3 October 2015
Accepted: 14 October 2015
First Online: 26 November 2015
Competing interests
: The authors declare no conflict of interest.