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Authors
Li, Ying
Sun, Bing
Tang, Xiao
Liu, Ya-lan
He, Hang-yong
Li, Xu-yan
Wang, Rui
Guo, Fei
Tong, Zhao-hui https://orcid.org/0000-0002-5341-6857
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Funding
Funding for this research was provided by:
Capital's Funds for Health Improvement and Research (2016–1-1061)
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Article History
Received: 12 July 2019
Accepted: 2 October 2019
First Online: 7 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
Free to read: This content has been made available to all.
