1 Center for Cardiological Innovation, Dept. of Cardiology, Oslo University Hospital, Rikshospitalet, Norway; Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.
2 Center for Cardiological Innovation, Dept. of Cardiology, Oslo University Hospital, Rikshospitalet, Norway.
3 Dept. of Clinical physiology and Dept. of Medical and Health Sciences, Linköping University, Linköping, Sweden.
4 Dept. of Cardiology, Aarhus University Hospital, Aarhus, Denmark; Dept. of Clinical Medicine, Health, Aarhus University, Aarhus, Denmark.
5 Dept. of Cardiology, Aalborg University Hospital, Aalborg, Denmark.
6 Dept. of Cardiology, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark.
7 Dept. of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark; Unit for Inherited Cardiac Diseases, The Heart Center, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.
8 Dept. of Cardiology, Institute of Medicine at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
9 Dept. of Cardiology, Lund University and Arrhythmia Clinic, Skåne University Hospital, Lund, Sweden.
10 Dept. of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark; Dept. of Cardiology, The Heart Centre, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.
11 Center for Cardiological Innovation, Dept. of Cardiology, Oslo University Hospital, Rikshospitalet, Norway; Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway. Electronic address: [email protected].