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Authors
Cao, Lei
Wu, Yuan
Han, Shu-Man
Sun, Tao
Yu, Bao-Hai
Gao, Feng
Wu, Wen-Juan
Gao, Bu-Lang
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Article History
Received: 24 September 2020
Accepted: 4 February 2021
First Online: 15 February 2021
Ethics approval and consent to participate
: This study was approved by the ethics committee of the Third Hospital of Hebei Medical University and was performed in accordance with the Declaration of Helsinki. All patients had given their signed informed consent to participate.
: Not applicable.
: None.
