The G6 network ( http://www.g6-research.eu ) unites six large multidisciplinary European Research Performing Organisations with a total annual budget of 15.6 billion euros and over 140,000 employees: the Consiglio Nazionale delle Ricerche, the Centre National de la Recherche Scientifique, the Consejo Superior de Investigaciones Científicas, the Helmholtz Association, the莱布尼兹协会和马克斯·普朗克协会。