getSCurves              Get Estimated Survival Curves from
                        Semi-parametric Cox PH Model for Interval
                        Censored Data
ic_ph                   Semi-Parametric Cox-PH model for Interval
                        Censored Data
impute_ic_ph            Multiple Imputations Cox-PH model for Interval
                        Censored Data
mdata                   Lung Tumor Interval Censored Data from Hoel and
                        Walburg 1972
simICPH_beta            Simulates interval censored data from Cox-PH
                        model with beta baseline
