Sugawara, Akihiro
Shima, Hideaki
Sueki, Akito
Hirose, Tomoyasu
Matsui, Hidehito
Nakano, Hayato
Hanaki, Hideaki
Akagawa, Kiyoko S
Ōmura, Satoshi
Sunazuka, Toshiaki
Article History
Received: 2 April 2015
Revised: 9 July 2015
Accepted: 10 August 2015
First Online: 30 September 2015
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.