title: [Reply].
authors.affiliation: Servicio de Geriatría, Unidad de Cuidados Paliativos, Hospital Universitario Ramón y Cajal, Madrid, España. Electronic address: acruz.hrc@salud.madrid.org.
authors.forename: Alfonso J
authors.initials: AJ
authors.lastname: Cruz Jentoft
authors.forename: Lourdes
authors.initials: L
authors.lastname: Rexach Cano
mesh_terms: D002908:Chronic Disease; D006301:Health Services Needs and Demand; D006801:Humans; D010166:Palliative Care; D018579:Patient Selection; D012720:Severity of Illness Index; D011795:Surveys and Questionnaires