Liu, Wenjian
Zhang, Hongxia
Shi, Jin-an
Wang, Zhongchang
Song, Cheng http://orcid.org/0000-0002-7651-9031
Wang, Xiangrong
Lu, Siyuan
Zhou, Xiangjun
Gu, Lin
Louzguine-Luzgin, Dmitri V.
Chen, Mingwei
Yao, Kefu
Chen, Na
Article History
Received: 18 August 2016
Accepted: 9 October 2016
First Online: 8 December 2016
Competing interests
: The authors declare no competing financial interests.