Narita, Hirokazu
Shima, Fumiaki
Yokoyama, Junya
Miyagawa, Shigeru
Tsukamoto, Yoshinari
Takamura, Yasushi
Hiura, Ayami
Fukumoto, Ken
Chiba, Tomohiro
Watanabe, Seiji
Sawa, Yoshiki
Akashi, Mitsuru
Shimoda, Hiroshi
Article History
Received: 22 February 2017
Accepted: 6 October 2017
First Online: 20 October 2017
Competing Interests
: The authors declare that they have no competing interests.