1. Edward Hines Jr. VA Hospital, Hines, IL 60141, USA
2. Department of Radiation Oncology, Stritch School of Medicine, Loyola University Chicago, Maywood, IL 60153, USA
3. Cooperative Studies Program, VA Connecticut Healthcare System, West Haven, CT 06515, USA
4. Cooperative Studies Program, Edward Hines Jr. VA Hospital, Hines, IL 60141, USA
5. VA Greater Los Angeles Healthcare System, Los Angeles, CA 90073, USA
6. Durham VA Medical Center, Durham, NC 27705, USA
7. Richmond VA Medical Center, Richmond, VA 23249, USA
8. Michael E. DeBakey VA Medical Center, Houston, TX 77030, USA
9. Department of Urology, Stritch School of Medicine, Loyola University Chicago, Maywood, IL 60153, USA
10. Louis Stokes Cleveland VA Medical Center, Cleveland, OH 44106, USA
11. Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA
12. VA Long Beach Healthcare System, Long Beach, CA 90822, USA
13. Minneapolis VA Medical Center, Minneapolis, MN 55417, USA
14. Clement J. Zablocki VA Medical Center, Milwaukee, WI 53295, USA
15. Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA 19104, USA