  A nonparametric latency estimator for mixture cure models is studied in this
paper. An i.i.d. representation is obtained, the asymptotic mean squared error
of the latency estimator is found, and its asymptotic normality is proven. A
bootstrap bandwidth selection method is introduced and its efficiency is
evaluated in a simulation study. The proposed methods are applied to a dataset
of colorectal cancer patients in the University Hospital of A Coru\~na (CHUAC).
