Funding for this research was provided by:
National Natural Sciences Foundation of China (81702949)
Natural Sciences Foundation of Hunan Province (2018JJ3851)
Youth research fund of Xiangya Hospital (2016Q07)
Text and Data Mining valid from 2018-10-22
Received: 4 July 2018
Accepted: 10 October 2018
First Online: 22 October 2018
Ethics approval and consent to participate
: The studies were approved by the Ethics Committee of Xiangya Hospital of Central South University. Written informed consent was obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.
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