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Authors
Liao, Xuan https://orcid.org/0000-0003-0097-684X
Peng, Yue https://orcid.org/0000-0002-5752-0715
Liu, Bo https://orcid.org/0000-0001-9128-2258
Tan, Qing-Qing https://orcid.org/0000-0002-3858-0528
Lan, Chang-Jun https://orcid.org/0000-0002-1040-9622
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Funding
Funding for this research was provided by:
Health and Family Planning Commission of Sichuan Province (18ZD022)
Health and Family Planning Commission of Sichuan Province (18ZD022)
Health and Family Planning Commission of Sichuan Province (18ZD022)
Health and Family Planning Commission of Sichuan Province (18ZD022)
Health and Family Planning Commission of Sichuan Province (18ZD022)
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Article History
Received: 9 October 2019
Accepted: 30 January 2020
First Online: 21 February 2020
Competing interests
: The authors declare no competing interests.
