1 Scott C. Morgan, The Ottawa Hospital and University of Ottawa, Ottawa; D. Andrew Loblaw, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; Karen Hoffman, MD Anderson Cancer Center, Houston, TX; Mark K. Buyyounouski, Stanford University, Stanford; Palto Alto VA Health System, Palo Alto, CA; Caroline Patton, American Society for Radiation Oncology, Arlington, VA; Daniel Barocas, Vanderbilt University Medical Center, Nashville, TN; Soren Bentzen, University of Maryland School of Medicine, Baltimore, MD; Michael Chang, Hunter Holmes McGuire VA Medical Center and Virginia Commonwealth University, Richmond, VA; Jason Efstathiou, Massachusetts General Hospital, Boston MA; Patrick Greany, Patient representative, Tallahassee, FL; Per Halvorsen, Lahey Hospital and Medical Center, Burlington, MA; Bridget F. Koontz, Duke University Medical Center, Durham, NC; Colleen Lawton, Medical College of Wisconsin, Milwaukee, WI; C. Marc Leyrer, Wake Forest University, Winston-Salem, NC; Daniel Lin, University of Washington, Seattle, WA; Michael Ray, Radiology Associates of Appleton, ThedaCare Regional Cancer Center, Appleton, WI; and Howard Sandler, Cedars-Sinai Medical Center, Los Angeles, CA.