crrscCOX                Stratified Competing Proportional
                        Subdistribution Hazards Model For Clustered
                        Competing Risks Data With Covariate-Dependent
                        Censoring
crrscKM                 Stratified Proportional Subdistribution Hazards
                        Model For Clustered Competing Risks Data With
                        Covariate-Independent Censoring
simulate_CR_data        Simulate stratified clustered competing risks
                        data
simulate_surv_data      Simulate stratified and clustered survival data
survCOX                 Stratified Marginal Proportional Hazards Model
                        For Clustered Survival Data
