Funding for this research was provided by:
National Natural Science Foundation of China (81672165,81401528)
Text and Data Mining valid from 2020-03-24
Received: 3 December 2019
Accepted: 16 January 2020
First Online: 24 March 2020
Ethics approval and consent to participate
: The study was approved by the Clinical Trials and Biomedical Ethics Committee of West China Hospital (NO.201407146), and written informed consent was obtained from all participants. All experiments were performed in accordance with relevant guidelines and regulations.
: All authors have seen the manuscript and approved it to submit to your journal.
: The authors declare that they have no competing interests.