Response to the letter to the editor: "What is missing in the validation of frailty instruments?".
Gérontopôle, Centra Hospitalier Universitaire de Toulouse, Toulouse, France; Université de Toulouse, Toulouse, France.
Matteo
M
Cesari
Gérontopôle, Centra Hospitalier Universitaire de Toulouse, Toulouse, France; Université de Toulouse, Toulouse, France.
Bruno
B
Vellas
D016330:Frail Elderly; D006801:Humans