L. Awad, E. Zuber, and M. Et-mesbah, Applying Survival Data Methodology to Analyse Longitudinal Quality of Life, Statistical Methods for Quality of Life Studies: Design, Measurements and Analysis. Kluwer Academic, 2002.

Y. Bilias, M. Gu, Y. , and Z. , Towards a general asymptotic theory for Cox model with staggered entry, The Annals of Statistics, vol.25, issue.2, pp.662-682, 1997.
DOI : 10.1214/aos/1031833668

V. Boisson and M. Mesbah, Test du log-rank et statistique du score de vraisemblance partielle pour une dur??e de survie d??pendant d'un taux de d??gradation, Comptes Rendus Mathematique, vol.346, issue.9-10, 2008.
DOI : 10.1016/j.crma.2008.03.028

D. R. Cox, Partial likelihood, Biometrika, vol.62, issue.2, pp.269-2769, 1975.
DOI : 10.1093/biomet/62.2.269

C. Protopopescu, F. Marcellin, B. Spire, and M. Préau, Health-related quality of life in HIV-1-infected patients on HAART: a five-years longitudinal analysis accounting for dropout in the APROCO-COPILOTE cohort (ANRS CO-8), Quality of Life Research, vol.3, issue.4, pp.577-591, 2007.
DOI : 10.1007/s11136-006-9151-7