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Authors
Fang, Jian-Qun
Wang, Yan-rong
Du, Yun-Yun
Yan, Guo-Li
Ma, Fu-Li
Liu, Yan-Qiu
Sun, Wen-Xi
Chen, Shi-Qi
Feng, Li-Ping
Wei, Jia
Liu, Hao
Hu, Jing
Zhang, Zhao-Xia
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81160172)
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Article History
Received: 5 January 2020
Accepted: 16 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: The protocol for this study was approved by the Ethics Committee of the General Hospital of Ningxia Medical University. As all participants were under 16 years of age, written informed consent was obtained from their parent or guardian, who were informed of the study objectives.
: Not applicable.
: All authors declared no conflict of interest.
