Evidence reviews

The following documents contain the evidence that was used to develop the 2023 recommendations:

The following documents contain the evidence that was used to develop the 2020 recommendations:

See the guideline scope for more information about why we decided to update this guideline in 2020.

Evidence for recommendations before 2020 can be found in the 2015 full guideline addendum and the 2012 full guideline:


This page was last updated: