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Authors
Shui, Wei
Yang, Youyin
Pi, Xinling
Luo, Gang
Qiao, Bo
Ni, Weidong
Guo, Shuquan
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Article History
Received: 22 November 2020
Accepted: 31 January 2021
First Online: 15 February 2021
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of The First Affiliated Hospital of Chongqing Medical University (Approval Number 20160619). We obtained written informed consent from all the participants before publishing this information.
: Written informed consent was obtained from the patients for publication of identifying information in this research and any accompanying images. A copy of the written consent is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.
