1. Institute of Public Health and Clinical Nutrition University of Eastern Finland Kuopio Finland
2. Medical Research Council Population Health Research Unit University of Oxford Oxford UK
3. Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health University of Oxford Oxford UK
4. Department of Twin Research and Genetic Epidemiology King's College London London UK
5. Institute of Life Course and Medical Sciences University of Liverpool Liverpool UK
6. Liverpool Centre for Cardiovascular Sciences University of Liverpool Merseyside Liverpool UK