1 Division for Heart Disease and Stroke Prevention, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, MS S-107-1, Atlanta, Georgia 30330. Email: mcasper@cdc.gov.
2 Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia.
3 Cardiovascular Health Unit, Minnesota Department of Health, St. Paul, Minnesota.
4 Division for Heart Disease and Stroke Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia.