1. University/British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK
2. Department of Public Health and Clinical Medicine, Division of Medicine/Respiratory Medicine, Umeå University, Umeå, Sweden
3. Department of Clinical Biochemistry, Royal Infirmary, Glasgow, UK
4. Department of Public Health and Clinical Medicine, Division of Medicine/Cardiology, Umeå University, Umeå, Sweden
5. Free Radical Research Facility, UHI Department of Diabetes and Cardiovascular Science, Inverness, UK