Left Atrial Appendage Closure or Medical Therapy in Atrial Fibrillation - Ulf Landmesser; Carsten Skurk; Paulus Kirchhof; Thorsten Lewalter; Johannes Hartung; Andi Rroku; Burkert Pieske; Johannes Brachmann; Ibrahim Akin; Claudius Jacobshagen; Benjamin Meder; Andreas Zeiher; et al. (New England Journal of Medicine, 2026)