1. Department of Radiation Oncology Saint Barnabas Medical Center Livingston New Jersey USA
2. Department of Radiation Oncology Warren Alpert Medical School of Brown University Providence Rhode Island USA
3. Landauer Medical Physics Cary North Carolina USA
4. Department of Radiation Physics at Theragenics Theragenics Corp. Buford Georgia USA
5. Department of Radiation Oncology Memorial Hermann Texas Medical Center Houston Texas USA
6. Department of Therapeutic Radiology School of Medicine Yale University New Haven Connecticut USA
7. Department of Radiation Oncology University of Arizona Tucson Arizona USA
8. Department of Radiation Oncology Loyola University Medical Center Maywood Illinois USA
9. Isoray Medical, Inc. Richland Washington USA
10. Department of Radiation Oncology, Northwestern University Feinberg School of Medicine Northwestern Memorial Hospital Chicago Illinois USA