1. Department of Cardiology, University Hospital of Zurich, Switzerland
2. Rhythmologie Aarau, Switzerland
3. Department of Cardiology, University Hospital Zurich
4. Department of Cardiology, Department of Medicine, GZO - Regional Health Centre, Wetzikon, Switzerland
5. Department of Cardiology, Department of Medicine, GZO - Regional Health Centre, Wetzikon, Switzerland / Centre for Integrative Human Physiology, University of Zurich, Switzerland
6. Department of Cardiology, University Hospital of Zurich, Switzerland/ Centre for Integrative Human Physiology, University of Zurich, Switzerland