1. Unit of Cardiovascular and Nutritional Epidemiology Institute of Environmental Medicine, Karolinska Institutet Stockholm Sweden
2. Department of Surgical Sciences Uppsala University Uppsala Sweden
3. Department of Public Health and Primary Care University of Cambridge Cambridge United Kingdom
4. MRC Integrative Epidemiology Unit Bristol Medical School, University of Bristol Bristol United Kingdom
5. MRC Cancer Unit University of Cambridge Cambridge United Kingdom
6. MRC Biostatistics Unit University of Cambridge Cambridge United Kingdom