Funding for this research was provided by:
National Natural Science Foundation of China (81972344, 81672478)
Text and Data Mining valid from 2020-02-27
Received: 5 November 2019
Accepted: 11 February 2020
First Online: 27 February 2020
Ethics approval and consent to participate
: The acquisition of tissue samples was approved by the institutional review board of Beijing Tiantan Hospital affiliated to Capital Medical University.
: Not applicable.
: The authors declare that they have no competing interests.