Funding for this research was provided by:
National Natural Scientific Foundation of China (81300301, 81572306, 31100643, 81502403, 31570907)
Text and Data Mining valid from 2018-09-03
Received: 5 December 2017
Accepted: 28 August 2018
First Online: 3 September 2018
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Xijing Hospital, and written informed consent was obtained from the patients in our center.
: Not applicable.
: All of the authors declare that there are no financial or other relations that could lead to a conflict of interest.
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