Mika Ala-Korpela1,2,3,4,5,6. 1. Systems Epidemiology, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia. 2. Computational Medicine, Faculty of Medicine, University of Oulu and Biocenter Oulu, Oulu, Finland. 3. NMR Metabolomics Laboratory, School of Pharmacy, University of Eastern Finland, Kuopio, Finland. 4. Medical Research Council Integrative Epidemiology Unit at the University of Bristol, Bristol, UK. 5. Population Health Science, Bristol Medical School, University of Bristol, Bristol, UK. 6. Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Faculty of Medicine, Nursing and Health Sciences, The Alfred Hospital, Monash University, Melbourne, VIC, Australia.