title: Author Reply.
authors: Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT.
authors: Nataniel H
authors: NH
authors: Lester-Coll
authors: Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT.
authors: Henry S
authors: HS
authors: Park
authors: Cancer Outcomes, Public Policy, and Effectiveness Research Center, Yale School of Medicine, New Haven, CT; Robert Wood Johnson Clinical Scholars Program, Yale School of Medicine, New Haven, CT; Department of Internal Medicine, Yale School of Medicine, New Haven, CT.
authors: Cary P
authors: CP
authors: Gross
authors: Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT; Cancer Outcomes, Public Policy, and Effectiveness Research Center, Yale School of Medicine, New Haven, CT; Robert Wood Johnson Clinical Scholars Program, Yale School of Medicine, New Haven, CT.
authors: James B
authors: JB
authors: Yu