What do systematic reviews say?

Resilience Measured by: investigators measured resilience using different instruments; higher scores mean higher resilience Timing of outcome assessment: post‐intervention · healthcare workers

Anxiety · healthcare workers

Depressive symptoms · healthcare workers

Mental health and well‐being: stress or stress perceptionMeasured by: investigators measured stress or stress perception using different instruments; lower scores mean lower stress or stress perception Timing of outcome assessment: post‐intervention · healthcare workers

Quality of life/Mental health outcome · healthcare workers

Adverse events · healthcare workers