Inoue, Chisato
Zhao, Chong
Tsuduki, Yumi
Udono, Miyako
Wang, Lixiang
Nomura, Masatoshi
Katakura, Yoshinori
Article History
Received: 20 August 2016
Revised: 23 June 2017
Accepted: 18 July 2017
First Online: 30 August 2017
Competing interests
: The authors declare that they have no competing financial interests.