1. Infant Outcomes Monitoring, Research and Prevention Branch, Division of Birth Defects and Infant Disorders, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. Synergy America, contracting agency for Bacterial Diseases Branch, Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, USA
3. Oak Ridge Institute for Science and Education CDC Fellowship Program, Fort Collins, Colorado, USA
4. Bacterial Diseases Branch, Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, USA
5. Emergency Preparedness and Response Branch, Division of Preparedness and Emerging Infections, Centers for Disease Control and Prevention, Atlanta, Georgia, USA