1. Division of Urology, Department of Surgery; University of Pennsylvania and Veterans Affairs Medical Center Philadelphia; Philadelphia; Pennsylvania; 19104
2. Department of Anatomy; Kirksville Osteopathic Medical School; Kirksville; Missouri; 63501
3. Department of Pathology and Laboratory Medicine; University of Pennsylvania Medical Center; Philadelphia; Pennsylvania; 19104
4. Department of Urology; Weill Cornell Medical College; New York; New York; 10065
5. Department of Otorhinolaryngology; University of Pennsylvania and Veterans Affairs Medical Center Philadelphia; Philadelphia; Pennsylvania; 19104
6. Departments of Ophthalmology and Eye Center; Louisiana State University; New Orleans; Louisiana
7. Cancer and Inflammation Program, National Cancer Institute; Frederick; Maryland; 21702-1201
8. Section of Experimental Atherosclerosis; National Institutes of Health; Bethesda; Maryland
9. The Wistar Institute; Philadelphia; Pennsylvania; 19104