1 School of Computer Science, Ulster University, Jordanstown, Northern Ireland, United Kingdom; Dept of Cardiology, Craigavon Area Hospital, Craigavon, Northern Ireland, United Kingdom. Electronic address: brisk-r@ulster.ac.uk.
2 School of Computer Science, Ulster University, Jordanstown, Northern Ireland, United Kingdom.
3 Dept of Cardiology, Craigavon Area Hospital, Craigavon, Northern Ireland, United Kingdom.
4 School of Computer Science, Ulster University, Jordanstown, Northern Ireland, United Kingdom; Dept of Cardiology, Craigavon Area Hospital, Craigavon, Northern Ireland, United Kingdom.
5 Nanotechnology and Integrated Bioengineering Centre, Ulster University, Jordanstown, Northern Ireland, United Kingdom.