Received: 2 March 2021
Accepted: 21 May 2021
First Online: 12 June 2021
: The study was approved by the ethical approval were obtained from the Ethics Committee of the Third Affiliated Hospital, Sun Yat-sen University. The study was performed following the Declaration of Helsinki principles, and informed consent was obtained from all individual participants included in the study. The ethical registration no. of the study was 02–283-01.
: Not applicable.
: The authors declare no conflicts of interest.