De websites van de volgende organisaties werden bezocht: Hoge Gezondheidsraad (HGR), Belgisch Staatsblad, European Union law, Department of Health United Kingdom (UK), Food and Drug Administration (FDA), Centers for Disease Control (CDC), World Health Organization (WHO).
Les sites Internet des organisations suivantes ont également été explorés: Conseil supérieur de la Santé (CSS), le Moniteur Belge, European Union law, Department of Health United Kingdom (UK), Food and Drug Administration (FDA), World Health Organization (WHO), Centers for Disease Control (CDC).
