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Authors
Wang, Zhen
Yang, Jin-Ji
Tu, Hai-Yan
Yan, Hong-Hong
Wu, Yi-Long
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Funding
Funding for this research was provided by:
Guangzhou Science and Technology Project (grant 201804010477)
National Health and Family Control Committee (grant 201402031)
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Article History
Received: 6 July 2019
Accepted: 20 September 2019
First Online: 5 October 2019
Compliance with ethical standards
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: The authors declare that they have no conflicts of interest.
: The trial was approved by Guangdong Provincial People’s Hospital ethics committees and complied with the Declaration of Helsinki and Good Clinical Practice principles.
