1. Epidemic Intelligence Service, Office of Workforce and Career Development, Centers for Disease Control and Prevention, Atlanta, GA 30341
2. Division of Nutrition, Physical Activity, and Obesity, Centers for Disease Control and Prevention, Atlanta, GA 30341
3. Nutrition and Health Sciences Program, Emory University, Atlanta, GA 30322
4. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA 30322