1. Department of Urology, University of California, Los Angeles
2. Department of Radiation Oncology, University of California, Los Angeles
3. Flushing Radiation Oncology Services, Flushing, New York
4. 21st Century Oncology, Fort Myers, Florida
5. Department of Radiation Oncology, Georgetown University, Washington, DC
6. Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
7. Division of Genesis Healthcare Partners Inc, CyberKnife Centers of San Diego Inc, San Diego, California
8. Swedish Radiosurgery Center, Seattle, Washington
9. Department of Radiation Oncology, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
10. Section of Radiation Oncology, Virginia Mason Medical Center, Seattle, Washington
11. Now with Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
12. Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California
13. Department of Radiation Oncology, University of Michigan, Ann Arbor
14. Scripps Health, La Jolla, California
15. Virginia Hospital Center, Arlington