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Authors
Liu, Fei
Wang, Mei
Li, Haige
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Funding
Funding for this research was provided by:
General Subject of Nanjing Medical Science and Technology Development (YKK14181)
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Article History
Received: 19 April 2018
Accepted: 30 November 2018
First Online: 21 December 2018
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable
: The authors declare that they have no competing interests.
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