LITERATURE CITED:
Bibliographic listing of the references cited in the text. Current
Protocols uses APA style and it is picked automatically by Authorea upon export, e.g. \cite{Gallagher_2018}
KEY REFERENCES: (optional)
References that are significant for understanding the method but not
necessarily cited in the article. Each Key Reference must be accompanied
by a short annotation explaining the significance of the reference.
INTERNET RESOURCES: (optional)
URLs for important sites relevant to the method. Each must be
accompanied by a short description of the subject of the site.