Time to health-related quality of life improvement analysis was developed to enhance evaluation of modern anticancer therapies by Cottone, F, Collins, GS, Anota, A, Sommer, K, Giesinger, JM, Kieffer, JM, Aaronson, NK, Van Steen, K, Charton, E, Castagnetti, F, Fazi, P, Vignetti, M, Cella, D, Efficace, F