title: In Reply to Sahadevan.
authors.affiliation: Departments of Radiation Oncology, Neurology, and Radiology, Stony Brook University Medical Center, Stony Brook, New York.
authors.forename: F Avraham
authors.initials: FA
authors.lastname: Dilmanian
authors.affiliation: Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas.
authors.forename: John G
authors.initials: JG
authors.lastname: Eley
authors.affiliation: Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas.
authors.forename: Sunil
authors.initials: S
authors.lastname: Krishnan
mesh_terms: D019583:Dose Fractionation, Radiation; D006801:Humans; D059351:Organ Sparing Treatments / Q000379:methods*; D061766:Proton Therapy / Q000379:methods*; D011832:Radiation Injuries / Q000517:prevention & control*