Funding for this research was provided by:
National Natural Science Foundation of China (31670956)
Text and Data Mining valid from 2018-07-20
Received: 2 March 2018
Accepted: 12 July 2018
First Online: 20 July 2018
Ethics approval and consent to participate
: The present study was approved by Lianyungang First People’s Hospital Medical Ethics Committee (No. 2016008), and informed consent was obtained from the volunteer.
: Informed consent was obtained from the volunteer.
: The authors declare that they have no competing interests.
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