1. Center for Neurobiology of Aging, INRCA, Ancona, Italy
2. Geriatrics Operative Unit, INRCA, Fermo, Italy
3. Laboratory of Biostatistics, INRCA, Ancona, Italy
4. Center of Socio-economic Gerontological Research, INRCA, Ancona, Italy
5. Department of Experimental and Clinical Medicine, Section of Neuroscience and Cell Biology, Università Politecnica delle Marche, Ancona, Italy