1 “... was moderate to low after assessment. There is a need to conduct well-designed studies on return-to-work...”

2 “... of participation in physical exercise programs conducted at senior centres.1. Physical exercise programs...”

3 “.... We included 12 studies. None of the included studies were conducted in Norway. However, the studies...”

4 “.... The majority of the included studies are conducted in the U.S. and Asia, where both culture and social...”