Yamamoto, Kayono
Hachiya, Tsuyoshi
Fukushima, Akimune
Nakaya, Naoki
Okayama, Akira
Tanno, Kozo
Aizawa, Fumie
Tokutomi, Tomoharu
Hozawa, Atsushi
Shimizu, Atsushi
Article History
Received: 1 March 2017
Revised: 22 June 2017
Accepted: 28 June 2017
First Online: 10 August 2017
Competing interests
: The authors declare no conflict of interest.