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Authors
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Funding
Funding for this research was provided by:
the Innovation Fund for Postgraduates at Peking Union Medical College (5201020104)
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Article History
Received: 27 August 2020
Accepted: 27 September 2020
First Online: 20 October 2020
Compliance with ethical standards
:
: None.
: The present study was approved by the Ethics Committee of the Hospital. We have obtained written informed consent from all study participants. All of the procedures were performed in accordance with the Declaration of Helsinki and relevant policies.
