Funding for this research was provided by:
National Natural Science Foundation of China (81822034, 81773119)
National Key Research and Development Program of China (2018YFA0109200, 2017YFA0106800)
Sichuan Science-Technology International Cooperation Project (2019YFH0144)
Direct Scientific Research Grants from West China Second Hospital, Sichuan University (KS021)
Text and Data Mining valid from 2019-09-02
Received: 18 June 2019
Accepted: 14 August 2019
First Online: 2 September 2019
Ethics approval and consent to participate
: Not applicable.
: All of the authors are aware of and agree to the content of the paper and their being listed as a co-author of the paper.
: The authors declare that they have no competing interests.