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Authors
Zhang, Yingyi
Yang, Hua
Ren, Min
Wang, Ruiying
Zhao, Fumei
Liu, Ting
Zhang, Ying
Guo, Zhigang
Cong, Hongliang
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Funding
Funding for this research was provided by:
Department of Science and Technology of Tianjin city (15ZXHLSY00320 and 16ZXMJSY00140)
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Article History
Received: 15 June 2020
Accepted: 17 January 2021
First Online: 29 January 2021
Ethics approval and consent to participate
: I confirm that I have read the Editorial Policy pages. This study was conducted with approval from the Ethics Committee of Fuwai Hospital (2014–574). This study was conducted in accordance with the declaration of Helsinki. Written informed consent was obtained from all participants.
: All participants signed a document of informed consent.
: The authors declare that they have no competing interests.
