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Authors
Zeng, Zhi-Hua
Yu, Xin-Yi
Liu, Xiao-Cheng
Liu, Zhi-Gang
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Article History
Received: 23 January 2022
Accepted: 9 May 2022
First Online: 14 May 2022
Declarations
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: This study was approved by the Ethics Committee (Internal Review Board) of TEDA International Cardiovascular Hospital. All the procedures performed in this study involving human participants were conducted in accordance with the Declaration of Helsinki (as revised in 2013). All data collection was done anonymously. The requirement of personal consent for this retrospective analysis was waived by the Ethics Committee (Internal Review Board) of TEDA International Cardiovascular Hospital, so there is no confusion regarding prospective consent.
: Not applicable.
: The authors declare that they have no competing interests.
