Funding for this research was provided by:
National Natural Science Foundation of China (81570637)
Received: 17 December 2019
Accepted: 3 June 2020
First Online: 9 June 2020
Ethics approval and consent to participate
: The study was approved by the Research Ethics Commission of the First Affiliated Hospital of Anhui Medical University (No. LLSC20150009).
: No applicable.
: The authors have no conflicts of interest relevant to this article to disclose.