1 Centre for Heart Rhythm Disorders, Royal Adelaide Hospital, Adelaide, South Australia, Australia; Department of Medicine, Royal Adelaide Hospital, Adelaide, South Australia, Australia.
2 Department of Immunology, Royal Adelaide Hospital, Adelaide, South Australia, Australia; SA Pathology, Adelaide, South Australia, Australia.
3 Centre for Heart Rhythm Disorders, Royal Adelaide Hospital, Adelaide, South Australia, Australia.
4 Centre for Heart Rhythm Disorders, Royal Adelaide Hospital, Adelaide, South Australia, Australia; Department of Cardiology, Royal Adelaide Hospital, Adelaide, South Australia, Australia.
5 Department of Medicine, Royal Adelaide Hospital, Adelaide, South Australia, Australia; Centre for Nutrition and Gastrointestinal Diseases, University of Adelaide, Adelaide, South Australia, Australia.
6 School of Electrical and Electronic Engineering, University of Adelaide, Adelaide, South Australia, Australia.
7 Centre for Heart Rhythm Disorders, Royal Adelaide Hospital, Adelaide, South Australia, Australia; Department of Cardiology, Royal Adelaide Hospital, Adelaide, South Australia, Australia. Electronic address: dennis.h.lau@adelaide.edu.au.