Hu, Mingxu http://orcid.org/0000-0003-3603-3966
Yu, Hongkun http://orcid.org/0000-0002-2591-6328
Gu, Kai
Wang, Zhao
Ruan, Huabin
Wang, Kunpeng
Ren, Siyuan
Li, Bing
Gan, Lin
Xu, Shizhen
Yang, Guangwen http://orcid.org/0000-0002-8673-8254
Shen, Yuan http://orcid.org/0000-0002-9396-1964
Li, Xueming http://orcid.org/0000-0002-8451-9947
Article History
Received: 17 October 2017
Accepted: 23 October 2018
First Online: 30 November 2018
Competing interests
: The authors declare no competing interests.