Funding for this research was provided by:
National Natural Science Foundation of China (81571517, 81801542)
the National Key Research and Development Program of China (2016YFC1000401, 2016YFC1000406-1)
Text and Data Mining valid from 2020-04-19
Received: 1 December 2019
Accepted: 3 April 2020
First Online: 19 April 2020
Ethics approval and consent to participate
: The procedures for the use of human data followed the protocols and regulations set forth by Peking University Health Science Center.
: All authors read and approved the final manuscript.