Atrial Fibrillation Increases Proarrhythmic Mechanisms in the Ventricle. - Spangler P; Bommer T; Stengel L; Tirilomis P; Körtl T; Schreiner LM; Sowa T; Uhe T; Schmid C; Provaznik Z; Tirilomis T; Wachter R; et al. (JACC. Basic to translational science, 2026)