1. Department of Neurology, Duke University School of Medicine, Durham, North Carolina, USA
2. Duke Early Phase Clinical Research Unit, Durham, North Carolina, USA
3. Duke Clinical Research Institute, Durham, North Carolina, USA
4. Department of Pediatrics, Duke University School of Medicine, Durham, North Carolina, USA
5. Duke Human Vaccine Institute, Duke University School of Medicine, Durham, North Carolina, USA
6. The EMMES Corporation, Rockville, Maryland, USA
7. Ology Bioservices Incorporated, Alameda, California, USA
8. Department of Obstetrics and Gynecology, Duke University School of Medicine, Durham, North Carolina, USA