Wang, Qihui http://orcid.org/0000-0003-3768-0401
Song, Hao
Cheng, Hao
Qi, Jianxun
Nam, Gol
Tan, Shuguang
Wang, Junzhi
Fang, Min http://orcid.org/0000-0002-5278-1430
Shi, Yi http://orcid.org/0000-0002-3053-2687
Tian, Zhigang
Cao, Xuetao
An, Zhiqiang
Yan, Jinghua http://orcid.org/0000-0003-0502-3829
Gao, George F. http://orcid.org/0000-0002-3869-615X
Article History
Received: 14 December 2018
Accepted: 14 June 2019
First Online: 4 July 2019
Competing interests
: The authors declare no competing interests.