1. Institute of Cardiovascular Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
2. Sandwell and West Birmingham NHS Trust, City Hospital, Birmingham B18 7QH, UK
3. Norwich Medical School, University of East Anglia, Norwich NR4 7UQ, UK
4. Institute of Inflammation and Ageing, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
5. Wellcome Trust Clinical Research Facility, Queen Elizabeth Hospital, Edgbaston, Birmingham B15 2TT, UK
6. Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton SO16 6YD, UK