INDUCTION PEMETREXED AND CISPLATIN FOLLOWED BY MAINTENANCE PEMETREXED VS CARBOPLATIN-PACLITAXEL PLUS BEVACIZUMAB FOLLOWED BY MAINTENANCE BEVACIZUMAB: MULTICENTER RANDOMIZED PHASE III STUDY IN PATIENTS WITH ADVANCED NON-SQUAMOUS NON SMALL-CELL LUNG CANCER (NSCLC). PRELIMINARY DATA OF A QUALITY OF LIFE ORIENTED PHASE III TRIAL OF THE GOIM (GRUPPO ONCOLOGICO ITALIA MERIDIONALE)