Liu, Min
Liu, Weifang
Zhang, Peiyao
An, Jing
Wang, Guang
Funding for this research was provided by:
National Natural Science Foundation of China (81871328)
Beijing Municipal Natural Science Foundation (7182149)
Article History
Received: 21 May 2018
Accepted: 17 September 2018
First Online: 24 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.