INFORMATION SOURCES AND METHODS
Name each individual database searched, stating the platform for each.
If databases were searched simultaneously on a single platform, state the name of the platform, listing all of the databases searched.
List any study registries searched.
Online resources and browsing
Describe any online or print source purposefully searched or browsed (e.g., tables of contents, print conference proceedings, web sites), and how this was done.
Indicate whether cited references or citing references were examined, and describe any methods used for locating cited/citing references (e.g., browsing reference lists, using a citation index, setting up email alerts for references citing included studies).
Indicate whether additional studies or data were sought by contacting authors, experts, manufacturers, or others.
Describe any additional information sources or search methods used.
Full search strategies
Include the search strategies for each database and information source, copied and pasted exactly as run.
Limits and restrictions
Specify that no limits were used, or describe any limits or restrictions applied to a search (e.g., date or time period, language, study design) and provide justification for their use.
Indicate whether published search filters were used (as originally designed or modified), and if so, cite the filter(s) used.
Indicate when search strategies from other literature reviews were adapted or reused for a substantive part or all of the search, citing the previous review(s).
Report the methods used to update the search(es) (e.g., rerunning searches, email alerts).
Dates of searches
For each search strategy, provide the date when the last search occurred.
Describe any search peer review process.
Document the total number of records identified from each database and other information sources.
Describe the processes and any software used to deduplicate records from multiple database searches and other information sources.