Funding for this research was provided by:
National Natural Science Foundation of China (81302001)
Text and Data Mining valid from 2018-08-13
Received: 21 May 2018
Accepted: 30 July 2018
First Online: 13 August 2018
Ethics approval and consent to participate
: This study was conducted in accordance with the Declaration of Helsinki. All patients provided written informed consent before screening. The ASTRIS study protocol was reviewed and approved by review boards of Tianjin medical university cancer institute and hospital.
: Not applicable.
: The authors declare that they have no competing interests.
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