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Authors
Pan, Xingfei
Xu, Haixia
Zheng, Changlong
Li, Mei
Zou, Xiaofang
Cao, Hong
Xu, Qihuan
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81401306)
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Article History
Received: 24 November 2015
Accepted: 21 March 2016
First Online: 19 April 2016
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: 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.
: Informed consent was obtained from all individual participants included in the study.
Free to read: This content has been made available to all.
