Vertaling van "been used one to express the prevalence " (Nederlands → Frans) :

Two case definitions have been used, one to express the prevalence of psychological difficulties (cut-off at [2+]), the other to express more severe psychological disorders (cut-off at [4+]).
Deux définitions de cas ont été utilisées, l’une pour exprimer la prévalence des difficultés psychologiques (seuil à [2+]) et l’autre pour exprimer des troubles psychologiques plus sévères (seuil à [4+]).

Before this final stage and as long as these individuals can use language as a means of expressing themselves, one can (try to) prevent their suicidal act.
Avant ce stade ultime, aussi longtemps que l’individu dispose du langage comme exutoire, on peut (tenter de) prévenir son geste suicidaire.

Responsibility for these issues used to lie with just one inspector. Since late 2007, however, four additional employees have been active in this investigation unit, since it is clear that this area requires a specialised approach.
Responsibility for these issues used to lie with just one inspector. Since late 2007, however, four additional employees have been active in this investigation unit, since it is clear that this area requires a specialised approach.

Approved in up to six indications worldwide, Reclast/Aclasta provides fracture protection to a broad spectrum of patients ranging from those diagnosed with early bone loss to patients with more severe forms of the disease and has been used in more than one million infusions.
Autorisé pour jusqu’à six indications dans le monde entier, Aclasta/Reclast protège contre les fractures sur toute l’étendue de la maladie allant de la perte osseuse précoce aux formes plus sévères.