1. Bacterial Diseases Branch, Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention , Fort Collins, Colorado , USA
2. Gilstrap Obstetrics and Gynecology Fellow, CDC Foundation , Atlanta, Georgia , USA
3. Alaka`ina Foundation, Contracting Agency for Division of Vector-Borne Diseases, Centers for Disease Control and Prevention , Fort Collins, Colorado , USA
4. Infant Outcomes Monitoring, Research and Prevention Branch, Division of Birth Defects and Infant Disorders, Centers for Disease Control and Prevention , Atlanta, Georgia , USA