Links
[1] https://www.sciensano.be/nl/biblio?f%5Bauthor%5D=21708&f%5Bsearch%5D=K.%20De%20Schrijver
[2] https://www.sciensano.be/nl/biblio?f%5Bauthor%5D=21711&f%5Bsearch%5D=Sansen%2CM.
[3] https://www.sciensano.be/nl/people/veronik-hutse/biblio
[4] https://www.sciensano.be/nl/biblio?f%5Bauthor%5D=21714&f%5Bsearch%5D=Boeckx%2CH.
[5] https://www.sciensano.be/nl/biblio?f%5Bauthor%5D=21717&f%5Bsearch%5D=Van%20den%20Branden%2CD.
[6] https://www.sciensano.be/nl/biblio?f%5Bauthor%5D=21720&f%5Bsearch%5D=E.%20Leuridan
[7] https://www.sciensano.be/nl/biblio?f%5Bauthor%5D=2781&f%5Bsearch%5D=Flipse%2CW.
[8] https://www.sciensano.be/nl/biblio?f%5Bkeyword%5D=19395&f%5Bsearch%5D=creche
[9] https://www.sciensano.be/nl/biblio?f%5Bkeyword%5D=19398&f%5Bsearch%5D=Mazelen
[10] https://www.sciensano.be/nl/biblio?f%5Bkeyword%5D=19401&f%5Bsearch%5D=zwijndrecht