Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (3332018029)
National Natural Science Foundation of China (81772009, 81772012)
Natural Science Foundation of Beijing Municipality (7182109)
Chinese Academy of Sciences (GJJSTD20170004, QYZDJ-SSW-JSC005)
Youth Innovation Promotion Association of the Chinese Academy of Sciences (2019136)
Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences (2016-I2M-2-001, 2018-I2M-3-001)
Scientific and Technological Research Project of Henan Province (182102310162)
Text and Data Mining valid from 2019-08-19
Received: 12 April 2019
Accepted: 5 August 2019
First Online: 19 August 2019
Ethics approval and consent to participate
: The study design was approved by the Institutional Review Board, and all patients provided informed consent.
: Not applicable.
: The authors declare that they have no competing interests.