1. Epidemic Intelligence Service, Centers for Disease Control and Prevention , Atlanta , Georgia
2. Division for Heart Disease and Stroke Prevention, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention , Atlanta , Georgia
3. Division of Nutrition, Physical Activity, and Obesity, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention , Atlanta , Georgia
4. Division of HIV Prevention, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention , Atlanta , Georgia
5. United States Public Health Service Commissioned Corps , Rockville, Maryland , USA