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Authors
Chu, Zhi-gang
Zhang, Yan
Li, Wang-jia
Li, Qi
Zheng, Yi-neng
Lv, Fa-jin https://orcid.org/0000-0002-8431-0350
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81601545)
Chongqing Health and Family Planning Commission Foundation (2016MSXM018)
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Article History
Received: 31 May 2019
Accepted: 18 October 2019
First Online: 7 November 2019
Ethics approval and consent to participate
: The Research Ethics Committee of The First Affiliated Hospital of Chongqing Medical University (IRB No. 2019–062) approved this study. All the participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
