Chen, Xingkuan http://orcid.org/0000-0002-1974-1437
Wang, Hongling
Doitomi, Kazuki
Ooi, Chong Yih http://orcid.org/0000-0002-3990-9735
Zheng, Pengcheng
Liu, Wangsheng
Guo, Hao
Yang, Song
Song, Bao-An
Hirao, Hajime
Chi, Yonggui Robin
Article History
Received: 11 July 2016
Accepted: 11 April 2017
First Online: 25 May 2017
Competing interests
: The authors declare no competing financial interests.