1.
Measurement agreement of the self-administered questionnaire of the Belgian Health Interview Survey: Paper-and-pencil versus web-based mode.
2.
3.
4.
Measurement agreement of the self-administered questionnaire of the Belgian Health Interview Survey: Paper-and-pencil versus web-based mode
Measurement agreement of the selfadministered questionnaire of the Belgian Health Interview Survey : paper-and-pencil versus web-based mode
The Belgian health examination survey: objectives, design and methods
5.
6.
7.
8.
9.
Classification of post COVID-19 condition symptoms: a longitudinal study in the Belgian population
Classification of post COVID-19 condition symptoms : a longitudinal study in the Belgian population
Association between SARS-CoV-2 variants and post COVID-19 condition : findings from a longitudinal cohort study in the Belgian adult population
Additional file 1 of Association between SARS-CoV-2 variants and post COVID-19 condition: findings from a longitudinal cohort study in the Belgian adult population
Association between SARS-CoV-2 variants and post COVID-19 condition: findings from a longitudinal cohort study in the Belgian adult population