Article History
Received: 18 August 2021
Revised: 11 December 2021
Accepted: 14 December 2021
First Online: 20 January 2022
Declarations
:
: The scientific guarantor of this publication is Mingyong Han.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: Written informed consent was not required for this study because this is a review article.
: Institutional Review Board approval was not required because this is a review article.
: • Literature review