Institution: | ∗ Radiation Oncology Flight, Wilford Hall Medical Center, Lackland AFB, TX;† Department of Radiation Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX;‡ Department of Radiation Oncology, Medical College of Virginia, Virginia Commonwealth University, Richmond, VA;§ Department of Radiation Oncology, University of Medicine and Dentistry of New Jersey – Robert Wood Johnson Medical School, New Brunswick, NJ;‖ Department of Radiation Oncology, Duke University Medical School, Durham, NC;¶ Shaw Regional Cancer Center, Veil, CO;# Department of Human Oncology, Allegheny General Hospital, Pittsburgh, PA;∗∗ Department of Radiation Oncology, University of North Carolina Medical School, Chapel Hill, NC;†† Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, MI;‡‡ Department of Radiation Oncology, Juravinski Cancer Center, Hamilton, ON, Canada;§§ Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI;‖‖ Harvard Radiation Oncology Residency Program, Boston, MA;¶¶ Department of Radiation Oncology, Dana-Farber Cancer Institute and Brigham and Women''s Hospital, Boston, MA |