1. Department of Microbiology-Immunology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
2. Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
3. Center for Structural Biology of Infectious Diseases, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
4. Department of Medicine, Division of Infectious Diseases, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
5. Department of Pharmacology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA