1. Department of Radiation Oncology University of Miami Miami FL USA
2. Department of Radiation Oncology Memorial Sloan Kettering Cancer Center New York NY USA
3. Department of Radiation Oncology Loyola University Maywood IL USA
4. Department of Radiation Oncology Virginia Commonwealth University Richmond VA USA
5. Department of Radiation Oncology University of California Los Angeles CA USA
6. Department of Radiation Oncology Allegheny Health Network Pittsburgh PA USA
7. Department of Oncology Wayne State University School of Medicine Detroit MI USA
8. Gershenson Radiation Oncology Center Barbara Ann Karmanos Cancer Institute Detroit MI USA