title: Response.
authors.affiliation: Department of Surgical Oncology (WvdW, MK, EB, CJHvdV, GJL) and Department of Geriatrics and Gerontology (WvdW, EB, RGJW, AJMdC), Leiden University Medical Center. w.van_de_water@lumc.nl.
authors.forename: Willemien
authors.initials: W
authors.lastname: van de Water
authors.affiliation: Department of Surgical Oncology (WvdW, MK, EB, CJHvdV, GJL) and Department of Geriatrics and Gerontology (WvdW, EB, RGJW, AJMdC), Leiden University Medical Center.
authors.forename: Mandy
authors.initials: M
authors.lastname: Kiderlen
authors.affiliation: Department of Surgical Oncology (WvdW, MK, EB, CJHvdV, GJL) and Department of Geriatrics and Gerontology (WvdW, EB, RGJW, AJMdC), Leiden University Medical Center.
authors.forename: Esther
authors.initials: E
authors.lastname: Bastiaannet
authors.affiliation: Department of Surgical Oncology (WvdW, MK, EB, CJHvdV, GJL) and Department of Geriatrics and Gerontology (WvdW, EB, RGJW, AJMdC), Leiden University Medical Center.
authors.forename: Rudi G J
authors.initials: RG
authors.lastname: Westendorp
authors.affiliation: Department of Surgical Oncology (WvdW, MK, EB, CJHvdV, GJL) and Department of Geriatrics and Gerontology (WvdW, EB, RGJW, AJMdC), Leiden University Medical Center.
authors.forename: C J H
authors.initials: CJ
authors.lastname: van de Velde
authors.affiliation: Department of Surgical Oncology (WvdW, MK, EB, CJHvdV, GJL) and Department of Geriatrics and Gerontology (WvdW, EB, RGJW, AJMdC), Leiden University Medical Center.
authors.forename: Anton J M
authors.initials: AJ
authors.lastname: de Craen
authors.affiliation: Department of Surgical Oncology (WvdW, MK, EB, CJHvdV, GJL) and Department of Geriatrics and Gerontology (WvdW, EB, RGJW, AJMdC), Leiden University Medical Center.
authors.forename: Gerrit-Jan
authors.initials: GJ
authors.lastname: Liefers
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D014408:Biomarkers, Tumor / Q000032:analysis*; D001943:Breast Neoplasms / Q000188:drug therapy* / Q000401:mortality*; D005260:Female; D006801:Humans
chemical_list: D014408:Biomarkers, Tumor