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Authors
Zhang, Tong-tong
Ding, Jun-zhe
Kong, Chao
Zhu, Wei-guo
Wang, Shuai-kang
Lu, Shi-bao
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Article History
Received: 6 September 2021
Accepted: 23 September 2022
First Online: 23 November 2022
Declarations
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: This study has been approved by the Ethics Committee of Xuanwu hospital, Capital Medical University, China. All parties are fully aware of the confidentiality of the Helsinki Declaration. The informed consent was waived by the Ethics Committee of Xuanwu hospital as this was a retrospective study. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.
