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Article History

Received: 25 May 2020

Accepted: 7 November 2020

First Online: 26 November 2020

Compliance with ethical standards

:

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

: All the participants were informed beforehand regarding the purpose and process of this study. Afterwards, the written informed consent was obtained from the eligible participants who readily agreed to participate in this research before they completed the questionnaires. They were also informed to have the right to withdraw from this survey if for any reason they were not interested in doing so. All procedures performed in studies involving human participants were in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study protocol was also reviewed and approved by Jinzhou Medical University Ethics Committee.