1. Geriatrics Clinic, SS Annunziata Hospital of Chieti, Chieti, Italy
2. Infectious Disease Department and COVID-19 Unit, University Hospital of Chieti, Chieti, Italy
3. Internal Medicine Unit, SS. Annunziata Hospital of Chieti, Chieti, Italy
4. Department of Neuroscience, Imaging and Clinical Sciences, "G. D’Annunzio" University of Chieti-Pescara, Chieti, Italy
5. Department of Medicine and Surgery, University of Parma, Parma, Italy
6. Italy and Geriatric-Rehabilitation Department, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy
7. Medical Clinic, SS. Annunziata Hospital of Chieti, Department of Medicine and Science of Aging, "G. D’Annunzio" University of Chieti-Pescara, Chieti, Italy
8. Department of Medicine and Science of Aging, “G. D’Annunzio” University of Chieti, Chieti, Italy