Oncology Cooperative Groups European Thoracic Oncology Platformc/o IBCSG | Effingerstrasse 40 | 3008 Bern | Switzerlandwww.etop-eu.org European Society for Medical OncologyVia Ginevra 4 | 6900 Lugano | Switzerlandwww.esmo.org Breast International Group (BIG)Blvd de Waterloo 121 | B-1000 Brussels | Belgiumwww.bigagainstbreastcancer.org Previous Collaborations Roche Hellas SAAlamanas 4 & Delfon | 15125 Marousi | Greecewww.roche.gr GENESIS Pharma SA270 Kifissias Avenue | 15232 Halandri – Athens | Greecewww.genesispharma.com ΕΛΛΗΝΙΚΗ ΧΕΙΡΟΥΡΓΙΚΗ ΕΤΑΙΡΕΙΑ ΜΑΣΤΟΥEslin 6 | 11523 Ampelokipi – Athens | Greecehttps://www.exem2000.gr/ Ηellenic Cooperative Oncology Group (HeCOG)Chatzikonstanti 18 | Athens 11524 | Greecewww.hecog.gr