> Report of meta-analysis must include a complete checklist and flow diagram of PRISMA (Preferred Reporting Items for Meta-Analysis) with the manuscript.
> Authors must mention in their Materials and Methods section whether a protocol exists for their systematic review.
> The Editor-In-Chief may request to send a copy of the protocol as supporting information.
> Authors also have to provide the registry number in the abstract.
> Steps of meta-analysis
- Define the Research Question
- Perform the Literature Search
- Select the Studies
- Extract the Data
- Analyze the Data
- Report the Results