1. Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
2. Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, Colorado, USA
3. Rocky Mountain Regional Veterans Affairs Medical Center, Aurora, Colorado, USA
4. University of Colorado, Boulder, Colorado, USA
5. Department of Surgery, University of Colorado School of Medicine, Aurora, Colorado, USA
6. Department of Biological Sciences, University of Texas at Dallas, Richardson, Texas, USA
7. Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
8. Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA