1. Center for Immunobiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
2. Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
3. Department of Anesthesia, Paul and Carole Stark Neurosciences Research Institute, Indianapolis, IN 46202, USA.
4. Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
5. Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
6. Department of Pathology, Indiana University School of Medicine, Indianapolis, IN 46202, USA.