Funding for this research was provided by:
National Natural Science Foundation of China (81472789)
National Key R&D Program (2017YFC1308900)
Text and Data Mining valid from 2019-03-29
Received: 27 September 2018
Accepted: 21 March 2019
First Online: 29 March 2019
Ethics approval and consent to participate
: All the patients were informed of sample collection and usage. The tissue samples were collected and used in accordance with approval by the Clinical Research Ethics Committee of Peking University Cancer Hospital and Institute.
: The authors declare that they agree to submit the article for publication.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.