1. Department of Cardiology, Royal Melbourne Hospital, Melbourne, Victoria, Australia
2. Department of Medicine, University of Melbourne, Melbourne, Victoria, Australia
3. Heart Centre, Alfred Hospital, Melbourne, Victoria, Australia
4. Melbourne School of Psychological Sciences, University of Melbourne, Melbourne, Victoria, Australia
5. Baker IDI Heart & Diabetes Institute, Melbourne, Victoria, Australia
6. School of Mathematics and Statistics, University of Melbourne, Melbourne, Victoria, Australia
7. Department of Cardiology, Western Health, Melbourne, Victoria, Australia
8. Centre for Heart Rhythm Disorders, South Australian Health and Medical Research Institute, University of Adelaide and Royal Adelaide Hospital, Adelaide, South Australia, Australia