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Anxiety and Depression in Belgium during the First 15 Months of the COVID-19 Pandemic: A Longitudinal Study
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Post COVID-19 condition and its physical, mental and social implications: protocol of a 2-year longitudinal cohort study in the Belgian adult population
Data collection in pandemic times: the case of the Belgian COVID-19 health surveys
Post COVID-19 condition and health-related quality of life: a longitudinal cohort study in the Belgian adult population