Article History
Accepted: 15 September 2021
First Online: 6 November 2021
Compliance with Ethical Standards
: This review article does not present any previously unpublished original research, and therefore, ethical approval is not applicable.
: Arvind Hariharan, Janaki Iyer, Athena Wang, and Simon Tran declare no conflict of interest.
: This article does not contain any studies or animal subjects performed by any of the authors.