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Authors
Du, Zhicheng
You, Hua
Zhou, Huan
Wang, Xiaohui
Xu, Jingdong
Li, Yan
Li, Shan
Ma, Lina
Gu, Jing
Hao, Yuantao
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Funding
Funding for this research was provided by:
Sun Yat-sen University 2020 “Three Major” Construction Major Scientific Research Projects Cultivation Project
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Article History
Received: 10 February 2021
Accepted: 24 June 2021
First Online: 5 July 2021
Declarations
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: This study was approved by the Ethics Committee of the School of Public Health, Sun Yat-sen University (No. 2020-012). All methods were carried out in accordance with relevant guidelines and regulations. All participants were informed of the background, aims, anonymous nature and length of the survey. Participants were well informed that completing the questionnaire signified their informed consent. The informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.
