1. Danish National Research Foundation Centre for Cardiac ArrhythmiaUniversity of CopenhagenCopenhagenDenmark
2. Department of Biomedical SciencesUniversity of CopenhagenCopenhagenDenmark
3. Medical Clinic and Polyclinic for Cardiology and AngiologyCharité Medical University of BerlinBerlinGermany
4. Experimental and Clinical Research Center (ECRC)Charité Medical University of BerlinBerlinGermany
5. Bioelectricity LaboratoryDepartment of Physiology and BiophysicsUniversity of California, IrvineIrvineCaliforniaUSA
6. Laboratory for Molecular Biophysics, Physiology, and PharmacologyDepartment for Biomedical SciencesUniversity of AntwerpAntwerpBelgium