1. Department of Medicine and Science of Aging; “G. d'Annunzio” University of Chieti; Chieti Italy
2. Faculty of Education, Health and Social Work; University College Ghent; Ghent Belgium
3. Department of Internal Medicine; Ghent University; Ghent Belgium
4. University of Ancona; Ancona Italy
5. Department of Pharmacy; “G. d'Annunzio” University of Chieti; Chieti Italy