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Authors
Xu, Yingjie
He, Jun
Qian, Chen
Yang, Chengguang
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Article History
Received: 9 December 2021
Accepted: 21 April 2022
First Online: 2 May 2022
Declarations
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: The study protocol was approved by the Shanghai Tongren hospital ethics committee. Written informed consent was obtained from all participating patients before operation. All procedures performed in this study were in accordance with the ethical standards of the 1964 Helsinki declaration and its later amendments.
: Not applicable.
: We declare that we have no competing interests.
