Funding for this research was provided by:
National Natural Science Foundation of China (81500596)
Cultivation Project of Chongqing Youth Medical High-end Reserve Talents (2017HBRC015)
Text and Data Mining valid from 2018-04-10
Received: 20 February 2018
Revised: 15 March 2018
Accepted: 22 March 2018
First Online: 10 April 2018
Ethics approval and consent to participate
: This clinical study was approved by the ethical committee board of Southwest Hospital. The patient provided written informed consent prior to participation in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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