1. Center for Neurobiology of Aging INRCA IRCCS Ancona 60121 Italy
2. Center of Biostatistics INRCA IRCCS Ancona 60124 Italy
3. Cellular Bioenergetics Laboratory Center for Neurobiology of Aging INRCA IRCCS Ancona 60121 Italy
4. Unit of Geriatrics INRCA IRCCS Hospital Fermo 63023 Italy
5. Section of Neuroscience and Cell Biology Department of Experimental and Clinical Medicine Università Politecnica delle Marche Ancona 60126 Italy