1. Department of Urology, University of Iowa, Iowa City;
2. Medical Scientist Training Program, University of Iowa, Iowa City;
3. Department of Microbiology, University of Iowa, Iowa City;
4. Department of Comparative Pathobiology, Purdue University, West Lafayette, IN;
5. Department of Pathology, University of Iowa, Iowa City;
6. Interdisciplinary Immunology Program, University of Iowa, Iowa City; and
7. Purdue Cancer Center, Purdue University, West Lafayette, IN