1. Division of Internal Medicine, Leopoldo Parodi-Delfino Hospital, ALS Roma G, Colleferro, Rome, Italy
2. Division of Geriatrics, University Campus Biomedico of Rome, Rome, Italy
3. Division of Geriatrics, Istituto Nazionale Ricovero e Cura dell’ Anziano, Istituto di Ricovero e Cura a Carattere Scientifico, Cosenza, Italy