Translate the following English sentence to French:
"The definition of "children" - that is, the age up until which a person is to be considered a child - has been formulated in order to show that we want to create the most effective level of protection where child pornography is concerned."
La définition de "l'enfant" - c'est-à-dire de son âge - a été formulée de façon à créer le niveau de protection le plus efficace contre la pédopornographie.