1. Institute of Social and Preventive Medicine (ISPM); University of Bern; Bern Switzerland
2. Department of Medical, Oral and Biotechnological Sciences; University "G. D'Annunzio" of Chieti-Pescara; Chieti Italy
3. Internal Medicine Unit; "University G. D'Annunzio" Foundation; Chieti Italy
4. Department of Medicine and Ageing Sciences; University "G. D'Annunzio" of Chieti-Pescara; Chieti Scalo Italy
5. Department of Vascular Medicine; Academic Medical Center; Amsterdam Netherlands