Ping, Lifeng https://orcid.org/0000-0002-3876-3949
Chen, Fengmei
Cui, Fengjie
Hu, Wanjun
Sun, Wenjing
Li, Na
Yang, Yan
Funding for this research was provided by:
National Natural Science Foundation of China (31101269)
Article History
Received: 20 March 2018
Accepted: 24 May 2018
First Online: 5 July 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.