1. Laboratory of Infectious Diseases, NIAID, Bethesda, Maryland, USA
2. Laboratory of Viral Diseases, NIAID, Bethesda, Maryland, USA
3. Emory Vaccine Center, School of Medicine, Emory University, Atlanta, Georgia, USA
4. Department of Microbiology and Immunology, School of Medicine, Emory University, Atlanta, Georgia, USA
5. Department of Medicine, Section of Rheumatology, the University of Chicago, Chicago, Illinois, USA