title: In Reply to Berrang et al.
authors.affiliation: Division of Cancer Care and Epidemiology, Queen's University Cancer Research Institute and Cancer Care Center of Southeastern Ontario, Kingston, Canada.
authors.forename: Allison
authors.initials: A
authors.lastname: Ashworth
authors.forename: Weidong
authors.initials: W
authors.lastname: Kong
authors.forename: Timothy
authors.initials: T
authors.lastname: Whelan
authors.forename: William
authors.initials: W
authors.lastname: Mackillop
mesh_terms: D001943:Breast Neoplasms / Q000532:radiotherapy*; D019583:Dose Fractionation, Radiation; D005260:Female; D006801:Humans; D015412:Mastectomy, Segmental; D008498:Medical Record Linkage; D012042:Registries