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Article History

Received: 16 May 2020

Revised: 24 September 2020

Accepted: 2 October 2020

First Online: 12 October 2020

Compliance with ethical standards

:

: The authors declare that they have no conflict of interest.

: This study was approved by the Ethics Committee on Human Experiment of China Medical University and in accordance with the ethical standards.

: All participants were given written informed consent before the investigation, and we promised that the information assembled from all participants be anonymous and confidential.