1. Duke Human Vaccine Institute, Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA
2. GeoVax, Inc., Smyrna, Georgia, USA
3. Department of Surgery, Duke University Medical Center, Durham, North Carolina, USA
4. Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
5. Department of Immunology, Duke University Medical Center, Durham, North Carolina, USA
6. Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, USA