Funding for this research was provided by:
Guangdong Medical Research Foundation (A2018135)
Fundamental Research Funds for the Central Universities (21619352)
Received: 12 April 2020
Accepted: 28 January 2021
First Online: 8 February 2021
Ethics approval and consent to participate
: The study was approved by the institutional review board of the First Affiliated Hospital of Jinan University and complied with national legislation and the Declaration of Helsinki guidelines.
: Not applicable.
: The authors declare that they have no competing interests.