Which of the following best summarizes the information that must be provided when a database search is used to document a lack of alternatives?

The names of the databases used, the date of the search, the years of citations accessed, and the search strategy.

The names of the databases used, and a narrative summarizing experimental data that justifies the use of the proposed animal model.

The list of citations and the date of the search.

A narrative summarizing experimental data that justifies the use of the proposed animal model