1. Medicines Management and Pharmacy Services, Leeds Teaching Hospitals Trust, Leeds LS1 3EX, UK
2. Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds LS2 9NL, UK
3. Cardiology Department, Leeds Teaching Hospitals NHS Trust, Great George Street, Leeds LS1 3EX, UK
4. Department of Nursing and Midwifery, School of Health, Social Care and Life Sciences, University of the Highlands and Islands, Centre for Health Science, Old Perth Road, Inverness IV2 3JH, Scotland, UK
5. Department of Cardiology, Zealand University Hospital, Sygehus 10, 4000 Roskilde, Denmark
6. Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
7. Department of Nursing, School of Health Sciences, Cyprus University of Technology, Limassol, Cyprus
8. Department of Biomedicine and Prevention, University of Rome "Tor Vergata" Via Montpellier, 1 - 00133 Rome, Italy
9. Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, James Clerk Maxwell Building, 57 Waterloo Road, London SE1 8WA, UK