Stem-Cell–Derived Biologic Ventricular Assist Tissue in Heart Failure - Wolfram-Hubertus Zimmermann; Stephan Ensminger; Ingo Kutschka; Christina Paitazoglou; Tim Seidler; Sören Brandenburg; Stefan D. Anker; Niklas Bader; Leonard Bergau; Felix Bremmer; Pedro G. Diogo; Ingo Eitel; et al. (New England Journal of Medicine, 2026)