Funding for this research was provided by:
National Natural Science Foundation of China (81600362)
Capital Health Research and Development of Special (2018-2-2-66)
Beijing Municipal Administration of Hospitals’ Youth Programme (QML20170602)
Text and Data Mining valid from 2019-04-25
Received: 10 February 2019
Accepted: 1 April 2019
First Online: 25 April 2019
Ethics approval and consent to participate
: The study protocol was approved by the ethics committee at Anzhen Hospital (Institutional Review Board File 2,018,066), and all experimental methods were performed in accordance with the relevant guidelines and regulations.
: Consent was obtained from the patients or their relatives.
: The authors declare that they have no competing interests.
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