Comparison of fingolimod, dimethyl fumarate and teriflunomide for multiple sclerosis RW Platt, ME Karim, TPA Debray, M Copetti, G Tsivgoulis, E Waubant, HP Hartung January 2019 Source Document causal-inference observational-data Related Comparison of statistical approaches dealing with time-dependent confounding in drug effectiveness studies Estimating inverse probability weights using super learner when weight-model specification is unknown in a marginal structural Cox model context On the application of statistical learning approaches to construct inverse probability weights in marginal structural cox models: hedging against weight-model misspecification Comparison of statistical approaches for dealing with immortal time bias in drug effectiveness studies Marginal structural Cox models for estimating the association between beta-interferon exposure and disease progression in a multiple sclerosis cohort