1. Department of Clinical Physiology, Lund University Hospital; Lund University; Lund Sweden
2. Department of Numerical Analysis, Centre for Mathematical Sciences; Lund University; Lund Sweden
3. Department of Internal Medicine, Cardiovascular Division; Washington University School of Medicine; St. Louis Missouri USA
4. Department of Arrhythmias, Lund University Hospital, Lund; Lund University; Lund Sweden
5. Department of Energy Sciences, Faculty of Engineering; Lund University; Sweden
6. Department of Biomedical Engineering, Faculty of Engineering; Lund University; Lund Sweden