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Authors
Chen, Haojia
Zhang, Ruiying
Zheng, Qiongbing
Yan, Xiuzhu
Wu, Shouling
Chen, Youren https://orcid.org/0000-0001-7310-2778
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (No. 81270346)
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Article History
Received: 15 May 2018
Accepted: 1 October 2018
First Online: 22 October 2018
Ethics approval and consent to participate
: We have achieved the approval from the Ethics Committee of Kailuan General Hospital, and the written informed consents signed by all individuals in the observation group.
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
