1. School of Medicine and Surgery; University of Milano-Bicocca; Milan Italy
2. NeuroMI-Milan Center for Neuroscience; Clinical Neurosciences Research Area; Monza Italy
3. Department of Neurology; Icahn School of Medicine at Mount Sinai; New York New York
4. Department of Emergency Medicine; Icahn School of Medicine at Mount Sinai; New York New York
5. Geriatric Research, Education, and Clinical Center; James J. Peters Veterans Affairs Medical Center; Bronx New York
6. Acute Geriatrics Unit; San Gerardo Hospital ASST Monza; Monza Italy