1. Department of SurgeryDuke University School of MedicineDurham North Carolina
2. Institute of Human VirologyUniversity of Maryland School of MedicineBaltimore Maryland
3. Department of MedicineUniversity of Massachusetts Medical SchoolWorcester Massachusetts
4. Vaccine Research CenterNational Institute of Allergy and Infectious Diseases, National Institutes of HealthBethesda Maryland
5. Duke Human Vaccine Institute, Duke University School of MedicineDurham North Carolina