Li, Qizhe http://orcid.org/0000-0003-3474-3374
Hou, Wenlong http://orcid.org/0000-0001-8939-1279
Peng, Fei http://orcid.org/0000-0001-6841-6924
Wang, Hailong http://orcid.org/0000-0002-6016-0335
Zhang, Shuo http://orcid.org/0000-0002-0785-2500
Dong, Danyang http://orcid.org/0000-0002-4711-5724
Wu, Siyu http://orcid.org/0000-0002-2564-2734
Zhang, Haiquan http://orcid.org/0000-0002-9962-7000
Funding for this research was provided by:
National Natural Science Foundation of China (CN) (51472214, 51173155)
Natural Science Foundation of Hebei Province (E2017203247)
Article History
Received: 19 June 2018
Accepted: 16 August 2018
First Online: 20 August 2018
Compliance with ethical standards
:
: The authors declare there is no conflict of interest.