1. Life, Health and Environmental Science Department, University of L’Aquila, 67100 L’Aquila, Italy
2. Neuropsychology Unit, IRCCS Santa Lucia Foundation, 00179 Rome, Italy
3. School of Life & Health Sciences, Aston University, Birmingham, West Midlands B15, UK
4. Division of Behavioral Neurology, Department of Neurology and Alzheimer’s Disease Research Center, National Cheng Kung University Hospital, Institute of Gerontology, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan