Once you have completed every component of your literature search and exported all of your search results, you will need to screen the entire pool of studies based on your pre-defined inclusion and exclusion criteria.
1. Record the total number of studies retrieved from all sources - databases, grey literature, hand searching, etc.
2. Record the number of duplicate studies retrieved from all sources and then remove the duplicate citations from your pool of results
3. Title and abstract screening:
4. Full-text screening: