Effective Sample Size for the Kaplan-Meier Estimator: A Valuable Measure of Uncertainty? - Hackmann, Toby; Thomassen, Doranne; Stiggelbout, Anne M.; le Cessie, Saskia; Putter, Hein; de Wreede, Liesbeth C.; Steyerberg, Ewout W. (American Statistician, 2026)