Zhu, Yun
Xu, Baoping
Li, Changchong
Chen, Zhimin
Cao, Ling
Fu, Zhou
Shang, Yunxiao
Chen, Aihuan
Deng, Li
Bao, Yixiao
Sun, Yun
Ning, Limin
Yu, Shuilian
Gu, Fang
Liu, Chunyan
Yin, Ju
Shen, Adong
Xie, Zhengde http://orcid.org/0000-0001-7634-9338
Shen, Kunling http://orcid.org/0000-0001-7191-9442
Article History
Received: 10 February 2021
Accepted: 18 June 2021
First Online: 15 September 2021
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The study protocol was approved by the Ethical Review Committee of Capital medical university, Beijing Children’s Hospital (2014–99). Individual written informed consent was obtained from the parents and/or guardians of all participants.
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