1 Geriatric Unit, IRCCS Istituti Clinici Scientifici Maugeri, Milan, Italy; Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.
2 Department of Human Neuroscience, Sapienza University, Rome 00185, Italy; National Center for Disease Prevention and Health Promotion, National Institute of Health, Rome, Italy. Electronic address: marco.canevelli@gmail.com.