Article History
Accepted: 5 January 2021
First Online: 20 January 2021
Compliance with Ethical Standards
:
: Harry Banyard, Alex J. Behn and Jaime Delgadillo declare that they have no conflict of interest.
: This review article was exempt from ethical review because it did not collect any primary research data from human participants.
: No animal studies were carried out by the authors for this article.