1. Department of Medical, Oral and Biotechnological Sciences; University "G. D'Annunzio" of Chieti-Pescara; Chieti Italy
2. Department of Vascular Medicine; Academic Medical Center; Amsterdam Netherlands
3. Internal Medicine Unit; "University G. D'Annunzio" Foundation; Chieti Italy
4. Centre for Systematic Reviews; Fondazione "Università G. D'Annunzio"; Chieti Italy
5. CTU Bern; University of Bern; Bern Switzerland