1. General Medicine Department/ Primary Health Department, ATS Insubria, via Otorino Rossi 9, Varese, Italy
2. Vascular Surgery Department, Ospedale Maggiore Carlo Alberto Pizzardi AUSL Bologna, Largo Nigrisoli, Bologna, Italy
3. General Surgery Department, Ospedale di San Benedetto del Tronto, Via Luciano Manara, San Benedetto del Tronto, Italy