Funding for this research was provided by:
National Natural Science Foundation of China (81700070)
Industrial Research & Development Department, Hunan Province (2015-83)
Health and Family Planning Commission, Hunan Province (20180541)
National Key Clinical Specialist Construction Projects (2012-650)
Text and Data Mining valid from 2018-09-21
Received: 5 April 2018
Accepted: 14 September 2018
First Online: 21 September 2018
Ethics approval and consent to participate
: The present study was approved by the Ethics Committee of The Second Xiangya Hospital, Central South University (Changsha, China). Written informed consent was obtained from the patients for publication.
: All patients provided written informed consent for publication of clinical data.
: The authors declare that they have no competing interests.
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