Funding for this research was provided by:
National Natural Science Foundation of China (81171680)
Outstanding Youth Foundation of Jiangsu Province of China (BK2018182)
China Postdoctoral Science Foundation (2019M651898)
the Changzhou Science and Technology Program (QN201930, CJ20180057)
the project of Jiangsu province (BE2015632)
Received: 14 May 2020
Accepted: 26 December 2020
First Online: 30 January 2021
Ethics approval and consent to participate
: All participants had signed a written informed consent prior to the subjects entering the study. The study was approved by the Nanjing Medical University Review Board, and the file number is  KY035-01.
: Not applicable.
: The authors declare no conflict of interest.