If you want to read this meta-analysis:

• Go to the long url near the top of this page that starts with 'openmetaanalysis.github.io/'
• Or go to http://openmetaanalysis.github.io/

If you want to comment on this meta-analysis:

• Contact a contributor if you need access
• Open an issue

If you want to update this meta-analysis:

Text files:

• PICO table
• Risk of bias table
• Data tables
• Clinical summary and references

Images (hint: use Git Client for Windows or Mac to upload these from your computer):

• Forest plots
• GRADE Profiles
• Metaregression plots (optional)

Methods used by these reviews.

Do you want to contribute:

• 'Fork' this repository
• Make your edits
• Initiate a 'Pull request' for your changes to be merged.