1. Clinic for Thoracic and Cardiovascular Surgery, Herz‐ und Diabeteszentrum NRW Ruhr‐Universität Bochum Bad Oeynhausen Germany
2. Heart Failure Department, Herz‐ und Diabeteszentrum NRW Ruhr‐Universität Bochum Bad Oeynhausen Germany
3. Clinic for General and Interventional Cardiology/Angiology, Herz‐ Und Diabeteszentrum NRW Ruhr‐Universität Bochum Bad Oeynhausen Germany
4. ResMed Science Center Resmed Germany Inc Martinsried Germany
5. Department of Pneumology and Ventilation Klinikum Braunschweig Martinsried Germany
6. Department of Cardiology Clemenshospital Münster Münster Germany