Funding for this research was provided by:
Guangzhou Science and Technology Program key projects (201804010089)
Article History
Received: 24 October 2020
Revised: 24 April 2021
Accepted: 26 April 2021
First Online: 26 May 2021
Ethics statement
: This study was approved by the Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences.
: The authors declare no competing interests.