1. From the Department of Microbiology & Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, United States
2. Department of Biomedical Sciences, University of Copenhagen, Copenhagen 2200, Denmark
3. Department of Biochemistry, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, United States
4. Department of Infection and Immunity, Immuno-Pharmacology and Interactomics, Luxembourg Institute of Health, Esch-sur-Alzette L-4354, Luxembourg