Sutani, Takashi
Sakata, Toyonori
Nakato, Ryuichiro
Masuda, Koji
Ishibashi, Mai
Yamashita, Daisuke
Suzuki, Yutaka
Hirano, Tatsuya
Bando, Masashige
Shirahige, Katsuhiko
Article History
Received: 31 March 2015
Accepted: 15 June 2015
First Online: 23 July 2015
Competing interests
: The authors declare no competing financial interests.