Extensions in Development

The following PRISMA extensions are in development in collaboration with the PRISMA group:

• Preferred Reporting Items for Systematic reviews and Meta-Analyses – for Children (PRISMA-C)
• Preferred Reporting Items for Systematic reviews and Meta-Analyses – Protocols for Children (PRISMA-PC)
• PRISMA guideline for systematic reviews of outcome measurement instruments, called PRISMA-COSMIN