Wu, Lihua
Xiao, Ping
Li, Qi
Zhang, Zhen
Wang, Hui
Jiang, Qian
Li, Long
Funding for this research was provided by:
National Natural Science Foundation of China (81771620)
Article History
Accepted: 21 March 2020
First Online: 31 March 2020
Compliance with ethical standards
:
: The authors disclose no conflicts.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Ethical Committee of the Capital Institute of Pediatrics and with the 1964 Helsinki Declaration and its later amendments.
: Informed consent was obtained from all individual participants included in the study.