Tang, Tang http://orcid.org/0000-0002-6782-4851
Du, Xiaoyan
Zhang, Xiaoyi
Niu, Wenling
Li, Chunhua
Tan, Jianjun
Funding for this research was provided by:
Beijing Municipal Commission of Education (KM201410005030)
National Natural Science Foundation of China (31100523)
Article History
Received: 24 April 2019
Revised: 11 June 2019
Accepted: 28 June 2019
First Online: 26 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.