1. MRC Biostatistics Unit, Institute of Public Health, Biomedical Campus University of Cambridge Cambridge UK
2. Department of Epidemiology and Biostatistics, School of Public Health Imperial College London London UK
3. Genetics Department Novo Nordisk Research Centre Oxford UK
4. Clinical Pharmacology and Therapeutics Section, Institute for Infection and Immunity St George's, University of London London UK
5. Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care University of Cambridge Cambridge UK