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Authors
Wei, Bing
Tian, Tian
Liu, Yugeng
Li, Chunsheng
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Article History
Received: 30 May 2020
Accepted: 17 August 2020
First Online: 7 September 2020
Ethics approval and consent to participate
: The study protocol was approved by the Ethics Committee of Beijing Chao-Yang Hospital, Capital Medical University. Written informed consent was obtained from all the study subjects before enrollment.
: Not applicable.
: The authors declare that they have no competing interests.
