Validation of days alive and out of hospital as a new patient-centered outcome to quantify life impact after heart transplantation oleh René M’Pembele, Sebastian Roth, Alexandra Stroda, Tilman Reier, Giovanna Lurati Buse, Stephan U. Sixt, Ralf Westenfeld, Philipp Rellecke, Igor Tudorache, Markus W. Hollmann, Hug Aubin, Payam Akhyari, Artur Lichtenberg, Ragnar Huhn, Udo Boeken