6096 POSTER FOLFOXIRI (Irinotecan, Oxaliplatin, and Infusional 5FU/LV) in Combination With Panitumumab (P) in the First-line Treatment of Metastatic Colorectal Cancer (mCRC) Patients (pts) Selected for KRAS, BRAF, NRas and HRas Mutational Status – a Phase II Study by the G.O.N.O. Group