Bai, Ying
Chen, Yibing
Kong, Xiangdong
Funding for this research was provided by:
National Natural Science Foundation of China (81501851)
Article History
Received: 28 March 2017
Accepted: 21 January 2018
First Online: 2 February 2018
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Zhengzhou University and written informed consents were obtained from all participants. All experimental procedures were performed according to the Helsinki Declaration.
: Not applicable.
: The authors declare that they have no competing interests.
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