Start off by developing a protocol plan. This should outline the objectives of your review as well as the methodology that will be used. This will help to ensure clarity and transparency throughout the process

Include the following sections in your protocol.

1. Objectives of the review
2. Eligibility criteria (inclusion and exclusion)
3. Databases and other sources to be searched
4. Search strategy
5. Study selection process
6. Data extraction process
7. Method of summarizing and reporting results