Funding for this research was provided by:
National Natural Science Fund of China (81371314)
Received: 10 June 2018
Accepted: 22 August 2018
First Online: 1 October 2018
Ethics approval and consent to participate
: This study was approved by the ethics committee of our institution. And the patients had signed an informed consent, which was approved by the ethics committee in our hospital. The agreement stated that the patients’ clinical and image data, blood and tissue samples might be collected in hospital, which would be used for scientific study.
: The patients had signed an informed consent and agreed with the publication of this paper.
: All the authors reported no conflict of interest concerning the materials or methods used in this study or the findings specified in this paper.