1. Department of Medicine and Aging Sciences, University of Chieti, Chieti, Italy
2. Department of Humanities Studies, University Federico II of Naples, Naples, Italy
3. Department of Psychological, Health & Territorial Sciences, University of Chieti, Chieti, Italy
4. Department of Human and Social Sciences, University of Bergamo, Bergamo, Italy
5. Department of Behavioural and Cognitive Sciences, University of Luxembourg, Esch-sur-Alzette, Luxembourg
6. Department of Psychology, University of Colorado at Colorado Springs, Colorado Springs, Colorado, USA