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Article History

Received: 18 July 2020

Accepted: 30 November 2020

First Online: 2 January 2021

Compliance with ethical standards

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: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

: This study was approved by the Medical Ethics Committee of the Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University. This study was performed in line with the principles of the Declaration of Helsinki. Informed consent was obtained from all individual participants included in the study.

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