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Authors
Wang, Zhihua
Yang, Lei
Ye, Jing
Wang, Yushui
Liu, Yan
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Funding
Funding for this research was provided by:
Tianjin Health Bureau Foundation of China (2014KZ049)
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Article History
First Online: 26 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Tianjin Nankai Hospital Ethics and Medical Research Committee. Our manuscript complies with the ethical standards required by this journal.
