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Authors
Xiong, Suting
Liu, Siyuan
Qiao, Yanan
He, Dingliu
Ke, Chaofu
Shen, Yueping http://orcid.org/0000-0002-6304-4188
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81973143)
Priority Academic Program Development of Jiangsu Higher Education Institutions
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Article History
Received: 26 May 2020
Accepted: 14 December 2020
First Online: 5 January 2021
Ethics approval and consent to participate
: The CHARLS obtained ethics approval (license numbers: IRB00001052–11015, IRB00001052–14030, and IRB00001052–17053) from the institutional review board of the Peking University National School of Development. All respondents provided written informed consent. If the respondent was illiterate, he/she would press the fingerprint after the interviewer dictated the content of the informed consent. The interviewers explained the purpose of the survey before obtaining oral informed consent from the individual participants. All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declare that they have no competing interests.
