The idea was to break down the barriers between national research systems, and enhancing the mobility of researchers - an option that has subsequently been endorsed on several occasions - was chosen as one of the means of doing so.
L'idιe ιtait de dιcloisonner les systθmes de recherche nationaux et l'un des axes choisi fut le renforcement de la mobilitι des chercheurs, option validιe ΰ plusieurs reprises par la suite.