1. Department of Pediatrics (Infectious Diseases), Vanderbilt University Medical Center, Nashville, TN, USA.
2. Department of Biological Sciences and Purdue Institute of Inflammation, Immunology, and Infectious Disease, Purdue University, West Lafayette, IN, USA.
3. Vanderbilt Vaccine Center, Vanderbilt University Medical Center, Nashville, TN, USA.
4. Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA.
5. Program in Chemical and Physical Biology, Vanderbilt University, Nashville, TN, USA.
6. Institute for Antiviral Research, Department of Animal, Dairy and Veterinary Sciences, Utah State University, Logan, UT, USA.
7. Department of Pediatrics, University of Wisconsin-Madison, Madison, WI, USA.
8. Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA.