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Authors
Zhang, Li http://orcid.org/0000-0002-2165-8587
Han, Bo http://orcid.org/0000-0001-5286-372X
Liu, Huanlong http://orcid.org/0000-0001-5416-2767
Wang, Jing
Feng, Xinxin http://orcid.org/0000-0001-9492-0526
Sun, Wei http://orcid.org/0000-0001-7592-541X
Cai, Dongxiao http://orcid.org/0000-0002-1486-6003
Jia, Hailin http://orcid.org/0000-0002-4051-1089
Jiang, Diandong http://orcid.org/0000-0002-7788-0443
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Article History
Received: 29 December 2020
Revised: 26 April 2021
Accepted: 28 April 2021
First Online: 13 May 2021
Ethics
: This study was approved by the ethics committee of Shandong Provincial Hospital (no. 2018-115) and was performed in accordance with the Declaration of Helsinki. Informed consent has been obtained from the parents of each patient (<18 years old).
: The authors declare no competing interests.
