Ando, Fumiaki
Sohara, Eisei
Morimoto, Tetsuji
Yui, Naofumi
Nomura, Naohiro
Kikuchi, Eriko
Takahashi, Daiei
Mori, Takayasu
Vandewalle, Alain
Rai, Tatemitsu
Sasaki, Sei
Kondo, Yoshiaki
Uchida, Shinichi
Article History
Received: 22 August 2016
Accepted: 20 October 2016
First Online: 28 November 2016
Competing interests
: The authors declare no competing financial interests.