1. Department of Medicine–Cardiology University Hospital Bonn Bonn Germany
2. Department of Medicine–Angiology University Hospital Bonn Bonn Germany
3. Department of Otorhinolaryngology Ludwig Maximilian‐University of Munich Munich Germany
4. Institute for Medical Biometry, Informatics and Epidemiology University Hospital Bonn Bonn Germany
5. Department of Therapeutic and Interventional Cardiology Beta Clinic Bonn Bonn Germany