1. Department of Cardiology; Western Infirmary; Glasgow G11 6NT United Kingdom
2. Faculty of Medicine; University of Glasgow; United Kingdom
3. AstraZeneca R&D; Mölndal Sweden
4. Brigham & Women's Hospital; Boston MA USA
5. Duke University Medical Center; Durham NC USA
6. HGM-McMaster Clinic; Hamilton Ontario Canada
7. AstraZeneca LP; Wilmington DE USA
8. Department of Medicine; Sahlgrenska University Hospital/Östra; Göteborg Sweden