Funding for this research was provided by:
National Natural Science Foundation of China (U1736219, 61571327)
National Key Research and Development Program of China (2018YFB0204304)
Article History
First Online: 5 March 2020
Compliance with ethical standards
:
: Author Jin Gu declares that she has no conflict of interest. Author Baolin Liu declares that he has no conflict of interest. Author Xiaolin Sun declares that she has no conflict of interest. Author Fangyuan Ma declares that she has no conflict of interest. Author Xianglin Li declares that he has no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional 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.