Links
[1] https://www.sciensano.be/sites/default/files/piis2666776220300193.pdf
[2] https://doi.org/10.1016/j.lanepe.2020.100019
[3] https://www.sciensano.be/nl/biblio?f%5Bauthor%5D=89937&f%5Bsearch%5D=Fabio%20Silvio%20Taccone
[4] https://www.sciensano.be/nl/people/nina-van-goethem/biblio
[5] https://www.sciensano.be/nl/people/robby-de-pauw/biblio
[6] https://www.sciensano.be/nl/biblio?f%5Bauthor%5D=89939&f%5Bsearch%5D=Xavier%20Wittebole
[7] https://www.sciensano.be/nl/people/koen-blot/biblio
[8] https://www.sciensano.be/nl/biblio?f%5Bauthor%5D=34332&f%5Bsearch%5D=Herman%20Van%20Oyen
[9] https://www.sciensano.be/nl/people/tinne-lernout/biblio
[10] https://www.sciensano.be/nl/people/marion-montourcy/biblio
[11] https://www.sciensano.be/nl/biblio?f%5Bauthor%5D=89942&f%5Bsearch%5D=Geert%20Meyfroidt
[12] https://www.sciensano.be/nl/people/dominique-van-beckhoven/biblio