Standard chemotherapy with or without bevacizumab for women with newly diagnosed ovarian cancer (ICON7): overall survival results of a phase 3 randomised trial by Oza, A, Cook, A, Pfisterer, J, Embleton, A, Ledermann, J, Pujade-Lauraine, E, Kristensen, G, Carey, M, Beale, P, Cervantes, A, Park-Simon, T, Rustin, G, Joly, F, Mirza, M, Plante, M, Quinn, M, Poveda, A, Jayson, G, Stark, D, Swart, A, Farrelly, L, Kaplan, R, Parmar, M, Perren, T