Funding for this research was provided by:
National Natural Science Foundation of China (81600370, 81970402)
China Postdoctoral Science Foundation (2018M640270)
basic research program of Liaoning provincial institutions of higher learning 2017 (LZDK201701)
Natural Science Foundation of Liaoning Province (2019-ZD-0789)
Received: 1 August 2019
Accepted: 18 November 2019
First Online: 3 December 2019
Ethics approval and consent to participate
: Participants gave written informed consent before the study, and the study protocol was approved by the Ethics Committee of China Medical University (CMU), in accordance with the Declaration of Helsinki.
: All the participants provided written informed consent for the publication of the results of this study.
: The authors declare that they have no conflict interests.