1. Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK
2. Department of Medical Sciences, Cardiology, Uppsala University, Uppsala, Sweden
3. Uppsala Clinical Research Center, Uppsala University, Dag Hammarskjölds väg 38, SE-752 37 Uppsala, Sweden
4. Department of Medical Sciences, Clinical Chemistry, Uppsala University, Uppsala, Sweden
5. AstraZeneca Research and Development, Gothenburg, Sweden
6. Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK