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Authors
Li, Qiugui
Cen, Wenjiao
Yang, Tao
Tao, Shengru
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Article History
Received: 6 March 2024
Accepted: 3 June 2024
First Online: 10 June 2024
Declarations
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: This is a retrospective study based on CHARLS database. The patient’s information has been hidden before the study. There is no need for the patient’s informed consent and no ethical conflict. The original CHARLS was approved by the Ethical Review Committee of Peking University (IRB00001052–11,015), and all participants signed the informed consent at the time of participation. This research followed the guidance of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
