1. Department of Cardiology, Glenfield Hospital, University Hospitals of Leicester, Leicester LE3 9QP, UK
2. Cardiology Clinical Academic Group, Molecular and Clinical Sciences Research Institute, St. George's University of London, Cranmer Terrace, London SW17 0RE, UK
3. Division of Cardiovascular Sciences, University of Manchester, Manchester M13 9PL, UK
4. Ontario Clinical Oncology Group, McMaster University, Hamilton, ON, L8V 1C3, Canada