1. Center for Surveillance, Epidemiology, and Laboratory Services, US Centers for Disease Control and Prevention , Atlanta, Georgia , USA
2. National Center on Birth Defects and Developmental Disabilities, US Centers for Disease Control and Prevention , Atlanta, Georgia , USA
3. ORISE Fellowship, Oak Ridge Associated Universities , Oak Ridge, Tennessee , USA
4. National Center for Injury Prevention and Control, US Centers for Disease Control and Prevention , Atlanta, Georgia , USA
5. National Center for HIV, Viral Hepatitis, STD, and TB Prevention, US Centers for Disease Control and Prevention , Atlanta, Georgia , USA