1. Institute of Cardiovascular Science; University College London; UK
2. Department of Epidemiology and Biostatistics; School of Public Health, Imperial College London; London UK
3. Department of Medicine; Imperial College Healthcare NHS Trust; London UK
4. MRC Epidemiology Unit; University of Cambridge; UK
5. Department of Endocrinology and Metabolic Medicine; Imperial College London; UK
6. Division of Population Health Sciences and Education; St. George's University of London; UK
7. Institute of Cardiovascular and Medical Sciences; University of Glasgow School of Medicine; UK.