Funding for this research was provided by:
National Natural Science Foundation of China (81771898, 81572482, 81602225)
Postdoctoral Research Foundation of China (2018M631964, 2016M601451)
Heilongjiang Provincial Postdoctoral Science Foundation (LBH-Z16103)
Natural Science Foundations of Heilongjiang Province (QC2013C096)
Text and Data Mining valid from 2019-04-11
Received: 6 November 2018
Accepted: 7 March 2019
First Online: 11 April 2019
Ethics approval and consent to participate
: The research was approved by the Committees for Ethical Review of Harbin Medical University.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.