1 Department of Surgical Oncology (WvdW, MK, EB, CJHvdV, GJL) and Department of Geriatrics and Gerontology (WvdW, EB, RGJW, AJMdC), Leiden University Medical Center. [email protected].
2 Department of Surgical Oncology (WvdW, MK, EB, CJHvdV, GJL) and Department of Geriatrics and Gerontology (WvdW, EB, RGJW, AJMdC), Leiden University Medical Center.