Figure 1 A) Cumulative probability of overall survival (OS); B) Cumulative
                   probability of progression-free survival (PFS) using Kaplan-Meier analysis
                   A)
                                           Mean OS, 18.1 months
                                           (95% CI: 14.3-22.0 months)
                   B)
                                            Median PFS, 8.1 months
                                            (95% CI: 7.2-9.0 months)