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Authors
Mo, Xiaoyi
Zhao, Shengli
Wen, Zhenxing
Lin, Wei
Chen, Zhipeng
Wang, Zhiyun
Huang, Chen
Qin, Jie
Hao, Jie
Chen, Bailing
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Funding
Funding for this research was provided by:
Natural Science Foundation of china (31570976, 31570976, 31570976, 31570976, 31570976)
the Science and Technology Program of Guangzhou (201604020148, 201604020148, 201604020148, 201604020148, 201604020148)
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Article History
Received: 31 January 2021
Accepted: 26 May 2021
First Online: 13 June 2021
Declarations
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: All procedures performed in this study were approved by the local ethics committee of each medical center, and all methods involved were in accordance with the Helsinki declaration and its later amendments or comparable ethical Standards. Since the study was retrospective, the informed consent was exempt according to relevant regulations by the Institutional Review Board of each medical center.Review Boards that approved this study are:The ethics committee of the First Affiliated Hospital of Sun Yat-sen UniversityThe ethics committee of shunde Hospital of Southern Medical UniversityThe ethics committee of Yantai Mountain HospitalThe ethics committee of the First Affiliated Hospital of Chongqing Medical University
: Not Applicable.
: Xiaoyi Mo, Shengli Zhao, Zhenxing Wen, Wei Lin, Zhipeng Chen, Zhiyun Wang, Chen Huang, Jie Qin, Jie Hao, and Bailing Chen declare that they have no conflict of interest, and the informed consent was obtained from all individual participants included in the study.
