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Authors
Wang, Ling-Ling
Ji, Zhong-He
Gao, Ying
Chang, Hong
Sun, Ping-Ping
Li, Yan
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Article History
Received: 3 April 2021
Accepted: 21 June 2021
First Online: 30 June 2021
Declarations
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: This study was approved by Ethics Committee of Beijing Shijitan Hospital and Capital Medical University. Informed consent for participation in the study was obtained from all participants. All patients provided written informed consent for the publication of any associated data and accompanying images.
: Not applicable.
: The authors declare that they have no competing interests.
