1. Department of Cardiology; Catharina Hospital; Eindhoven The Netherlands
2. Arrhythmia Department; State Research Institute of Circulation Pathology; Novosibirsk Russia
3. Centre for Heart Rhythm Disorders, South Australian Health and Medical Research Institute; University of Adelaide and Royal Adelaide Hospital; Adelaide Australia
4. Cardiac Diagnostics & Monitoring, Medtronic, Plc; Mounds View Minnesota
5. Medtronic Bakken Research Center; Maastricht The Netherlands
6. Department of Cardiology; Elisabethinen University Teaching Hospital; Linz Austria