Jing, Wenjie
Lu, Yuexiang
Wang, Feiyang
He, Liuying
Sun, Jingwei
Liu, Yueying http://orcid.org/0000-0001-5335-3334
Funding for this research was provided by:
the National Natural Science Foundation of China (No. 21105066, No. 21775087)
Beijing Natural Science Foundation (No. 2162010)
Scientific Research Project of Beijing Educational Committee (No. KM201610028008)
Article History
Received: 16 March 2018
Accepted: 14 April 2018
First Online: 12 May 2018
Compliance with ethical standards
: The author(s) declare that they have no competing interests.