1. Division of Rural Health and Wellbeing, Institute of Health Research and Innovation, University of the Highlands and Islands, Inverness, UK
2. Cardiac Unit, Raigmore Hospital, NHS Highland, Inverness, UK
3. Ulster University, Newtownabbey, Northern Ireland, UK
4. Centre for Personalised Medicine, Ulster University, Londonderry, Northern Ireland, UK
5. Cardiology Department, Altnagelvin Hospital, Londonderry, Northern Ireland, UK
6. Emergency Department, Letterkenny University Hospital, Donegal, Ireland