1. Department of Medicine, Division of Preventive Medicine; University of Alabama at Birmingham; Birmingham Alabama USA
2. Division of Epidemiology and Community Health, School of Public Health; University of Minnesota; Minneapolis Minnesota USA
3. Division of Cardiovascular Sciences; National Heart, Lung, and Blood Institute; Bethesda Maryland
4. Department of Preventive Medicine, Feinberg School of Medicine; Northwestern University; Chicago Illinois USA
5. Department of Nutrition, Gillings School of Global Public Health; University of North Carolina at Chapel Hill; Chapel Hill North Carolina USA
6. Division of Research; Kaiser Permanente Northern California; Oakland California USA