Lu, Haoyang
Li, Pengli
Fang, Jing
Yi, Li
Funding for this research was provided by:
National Natural Science Foundation of China (31571135, 31470974)
Beijing Municipal Science & Technology Commission (Z171100000117015)
Article History
First Online: 24 August 2019
Compliance with Ethical Standards
:
: All authors declare that 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.