1. Regional Urology L. L. C., Shreveport, Louisiana
2. University Urological Associates, Inc., Providence, Rhode Island
3. Urology Associates of Lancaster, Lancaster, Pennsylvania
4. Chesapeake Urology Associates, Baltimore, Maryland
5. Metropolitan Urology, P. S. C., Jeffersonville, Indiana
6. Department of Urology, Columbia University, New York, New York
7. Coastal Urology Associates, Brick, New Jersey
8. Bostwick Laboratories, Richmond, Virginia
9. GTx, Inc., Memphis, Tennessee