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Authors
Lü, Yu
Cai, Min Hong
Cheng, Jian
Zou, Kun
Xiang, Qian
Wu, Jia Yu
Wei, Dao Qiong
Zhou, Zhong Hua
Wang, Hui
Wang, Chen
Chen, Jing
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Funding
Funding for this research was provided by:
Health and Family Planning Commission of Sichuan Province (18PJ571)
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Article History
Received: 24 May 2018
Accepted: 19 July 2018
First Online: 9 August 2018
Ethics approval and consent to participate
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: The authors declare that they have no competing interests.
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