1. Department of Vascular Medicine; Academic Medical Center; Amsterdam the Netherlands
2. Department of Medicine and Ageing Sciences; University G. D'Annunzio; Chieti-Pescara Italy
3. Department of Internal Medicine; Ospedale SS.Ma Annunziata; Chieti Italy
4. Institute of Social and Preventive Medicine (ISPM); University of Bern; Bern Switzerland
5. Institute of Primary Health Care (BIHAM); University of Bern; Bern Switzerland
6. Department of Medical, Oral and Biotechnological Sciences; Gabriele D'Annunzio University; Chieti Italy