Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC0900803)
National Natural Science Foundation of China (U1604178)
Ph.D. Research Program of Xinxiang Medical University (505323)
Article History
Received: 7 April 2019
Accepted: 29 November 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: The datasets used in this manuscript are all publicly archived and ethics approval and consent to participate are not applicable for them.
: Not applicable.
: The authors declare that they have no competing interests.