Are there any specific items within the tool you felt were superfluous and didn’t really contribute to your critical appraisal of the review? If yes, which items are these and why were they superfluous?

In your opinion, did the conclusion you came to using AMSTAR2 regarding the overall quality of each review reflect the main issues with respect to review quality within systematic reviews? If not, why not? Were there any types of review you particularly struggled with?

Was it easy to reach a judgment regarding the overall risk-of-bias within each review (i.e. low/high/unclear) using ROBIS?

 If not, why not? Were there any specific domains/items you struggled with?