1. Department of Surgery-Division of Urology (C.J.T., N.N.C.T., J.M.J., I.L., S.-M.H.), Department of Cell Biology, and Department of Physiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655
2. Department of Pathology (I.L.), School of Veterinary Medicine, Tufts University, Grafton, Massachusetts 01536
3. Department of Pathology (I.L.), University of Massachusetts Medical School, Worcester, Massachusetts 01655