Translate the following English sentence to French:
"Opinion multipliers, political groups and parties, MEPs and national MPs, elected representatives, as I have just said, local authorities or national parliaments, the Committee of the Regions, the Economic and Social Committee, organisations stemming from civil society and university and education circles will all be involved."
Les relais d' opinion, groupes et partis politiques, parlementaires européens, nationaux, élus, je viens de le dire, des collectivités locales ou des parlements nationaux, le Comité des régions, le Comité économique et social et les organisations de la société civile, les milieux universitaires seront concernés.