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Authors
Ren, Zheng
Zhang, Xiumin http://orcid.org/0000-0002-2939-765X
Shen, Yue
Li, Xiangrong
He, Minfu
Shi, Hong
Zhao, Hanfang
Zha, Shuang
Qiao, Shuyin
Li, Yuyu
Pu, Yajiao
Fan, Xinwen
Guo, Xia
Liu, Hongjian
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Funding
Funding for this research was provided by:
Health and Family Planning Commission of Jilin Province, China (2017G018)
Science and Technology Department of Jilin Province, China (20200101133FG)
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Article History
Received: 4 June 2021
Accepted: 21 August 2021
First Online: 4 September 2021
Ethics approval and consent to participate
: This study received approval from the Ethics Committee of Jilin University School of Public Health (No. 2017-08-16). Written informed consent was obtained from the participants and their parents or legal guardians before their participation in the survey.
: Not applicable.
