1. Department of Cardiology; Radboud University Medical Centre; Nijmegen The Netherlands
2. Department of Cardiology; Heinrich-Heine University, Düsseldorf, Germany and Systematic Investigation and Research on Interventions and Outcomes (SIRIO) Medicine Network; Düsseldorf Germany
3. Antwerp University and University Hospital Antwerp, Center for Medical Genetics; Antwerp Belgium
4. Department of Cardiology; Erasmus Medical Centre, Rotterdam; The Netherlands