1. Division of Cardiology, Angiology, Intensive Care Medicine, EVK Düsseldorf, cNEP, cardiac Neuro- and Electrophysiology Research Consortium, Düsseldorf, Germany (A.-K.K., K.S., F.-A.A., C.M.).
2. Institute of Neural and Sensory Physiology, cNEP, cardiac Neuro- and Electrophysiology Research Consortium, Heinrich Heine University Düsseldorf, Medical Faculty, Düsseldorf, Germany (A.-K.K., K.S., F.-A.A., C.M.).
3. Willem Einthoven Center for Cardiac Arrhythmia Research and Management, Department of Cardiology, Leiden University Medical Center, Leiden, the Netherlands (C.J.).
4. Clinic for Cardiology, University Heart & Vascular Center, University Hospital Hamburg- Eppendorf (C.J.).