Funding for this research was provided by:
National Natural Science Foundation of China (81772703, 81422035, 81672546, 81672541)
Clinical Features Research of Capital (Z151100004015173)
Capital Health Research and Development of Special (2016-1-4077)
CAS Strategic Priority Research Program (XDA16010102)
National Basic Research Programme (2016YFC0900303)
Text and Data Mining valid from 2018-07-13
Received: 23 February 2018
Accepted: 5 July 2018
First Online: 13 July 2018
Ethics approval and consent to participate
: This study has been approved by the ethics committees of the Peking University First Hospital. All samples and records were de-identified and anonymized prior to the study. Consent was obtained from all individuals for publication. No individual-level data are reported.
: Not applicable
: The authors declare that they have no competing interests.
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