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Authors
Ye, Ziping
Liu, Fuyao
Ma, Jia
Zhou, Ziyang
Wang, Chen
Sun, Lihua
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Funding
Funding for this research was provided by:
Department of Education of Liaoning Province (2019WZD01)
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Article History
Received: 8 June 2020
Accepted: 7 July 2021
First Online: 19 July 2021
Declarations
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: According to <i>Ethical review methods for human biomedical research issued</i> by Ministry of Health in China, scientific research department of Shenyang Pharmaceutical University, who is responsible for the ethics review, ruled that no formal ethics approval was required in this case. Considering the survey was carried out via telephone, written consent was not available. Instead, verbal informed consent was obtained from the respondents for the publication of this report.
: Not applicable.
: The author declares that he has no competing interests.
