Article History
Received: 19 October 2020
Accepted: 17 May 2021
First Online: 21 June 2021
Declarations
:
: The Ethics Committee of the University of South China approved the study protocol that complied with applicable requirements of international regulations. Participants gave their consents to participate in the study.
: The authors declare no conflict of interest. The founding sponsors had no role in the design of the study; nor in the collection, analyses, or interpretation of data; nor in the writing of the manuscript, and in the decision to publish the paper.