Funding for this research was provided by:
Young Scientists Fund (81701421)
Natural Science Foundation of Anhui Province (1808085QH273)
Text and Data Mining valid from 2019-10-15
Received: 12 June 2019
Accepted: 23 September 2019
First Online: 15 October 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Review Board of the First Affiliated Hospital of Anhui Medical University, China (No. 20170026). Written informed consent was signed by all patients.
: Not applicable.
: The authors declare that they have no competing interests.