1. Institutional Animal Care and Use Committee, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
2. University Laboratory Animal Resources, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
3. Department of Comparative Medicine, University of South Florida, Tampa, Florida
4. Comparative Medicine Resources, Rutgers–The State University of New Jersey, Piscataway, New Jersey
5. University Laboratory Animal Resources, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Department of Pathobiology, School of Veterinary Medicine, School of Medicine, University of Pennsylvania,
Philadelphia, Pennsylvania
6. Departments of Radiology School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
7. Departments of Surgery, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
8. University Laboratory Animal Resources, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Department of Pathobiology, School of Veterinary Medicine, School of Medicine, University of Pennsylvania, Philadelphia,
Pennsylvania