1. Department of Imaging Physics University of Texas MD Anderson Cancer Center Houston TX USA
2. Colorado Associates in Medical Physics Colorado Springs CO USA
3. Department of Radiology University Hospitals Cleveland Medical Center Case Western Reserve University Cleveland OH USA
4. National Physics Consultants, Ltd. Mentor OH USA
5. Northwest Permanente, PC Kaiser Sunnyside Medical Center Clackamas OR USA
6. Department of Diagnostic Radiology and Nuclear Medicine Rush University Medical Center Chicago IL USA
7. Environmental Health and Safety Stanford University Stanford CA USA
8. American Association of Physicists in Medicine Alexandria VA USA