1. Cardiovascular Research Institute Maastricht; Maastricht Centre of Systems Biology; Maastricht University; Maastricht The Netherlands
2. Institute of Pharmacology; West German Heart and Vascular Center; School of Medicine; University Duisburg-Essen; Essen Germany
3. Center for Integrative Electrocardiology at Lund University (CIEL); Arrhythmia Clinic; Skåne University Hospital; Lund Sweden
4. Department of Rhythmology; Klinik Hirslanden; Zürich Switzerland
5. Department of Cardiac Electrophysiology; Heart Center; University of Leipzig; Leipzig Germany