Funding for this research was provided by:
National Basic Research Program of China (973 Program) (2018YFC1003600)
National Natural Science Foundation of China (81671432, 81871202)
Health and Medical Research Fund of Hong Kong (06170476)
the startup R&D funding of Guangdong University of Technology (220418118)
Text and Data Mining valid from 2019-05-29
Received: 12 December 2018
Accepted: 5 May 2019
First Online: 29 May 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: The project was approved by the Ethic Committee of The Second Hospital of Shanxi Medical University.