1. Berlin-Brandenburg Center for Regenerative Therapies, Charité—University Medicine Berlin, Campus Virchow, 13353 Berlin, Germany
2. Department of Cardiology and Pneumology, Charité—University Medicine Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12200 Berlin, Germany
3. Germany Heart Institute Berlin, Charité—University Medicine Berlin, Campus Virchow, 13353 Berlin, Germany