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Authors
Jia, Huanhuan
Yu, Xihe https://orcid.org/0000-0002-7076-1062
Jiang, Hairui
Yu, Jianxing
Cao, Peng
Gao, Shang
Shang, Panpan
Qiang, Bayuzhen
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Funding
Funding for this research was provided by:
Humanities and Social Science Fund of Ministry of Education of China (18YJAZH118)
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Article History
Received: 3 October 2021
Accepted: 28 February 2022
First Online: 17 March 2022
Declarations
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: The study was conducted according to the guidelines of the Declaration of Helsinki and was approved by the Medical Ethics Committee of the School of Public Health Jilin University (No. 20181102) (protocol code 20181102 and 1 November 2019). In accordance with ethical standards and practices, participants received a complete explanation of the research purpose and guarantees of confidentiality, were told that the information collected would only be used for research purposes, and were made aware that they could withdraw from the study at any time.
: Not applicable.
: The authors declare that they have no competing interests.
