1.
Anxiety and Depression in Belgium during the First 15 Months of the COVID-19 Pandemic: A Longitudinal Study
2.
The association between medically unexplained physical symptoms and health care use over two years and the influence of depressive and anxiety disorders and personality traits: a l...
CONSORT checklist.
CHEERS checklist.
Study protocol.
Overview of measures.
Unit costs.
Total costs based on observed means.
Prices health care units and productivity losses.
Indirect medical costs (travel costs).