1. Department of Emergency Medicine; CHU Clermont-Ferrand; Clermont-Ferrand France
2. Emergency Department; Val d'Arda Hospital; Piacenza Italy
3. Department of Internal Medicine; Ospedale Buon Consiglio Fatebenefratelli; Naples Italy
4. Department of Vascular Medicine; Azienda U.S.L. Di Ravenna-O.C. Di Faenza; Ravenna Italy
5. Department of Internal Medicine; Hospital Universitario La Paz; Madrid Spain
6. Department of Internal Medicine; Hospital Regional Universitario de Málaga; Málaga Spain
7. Department of Internal Medicine; Hospital General Virgen de la Luz; Cuenca Spain
8. Department of Internal Medicine; Hospital General Universitario de Alicante; Alicante Spain
9. Department of Internal Medicine; Hospital Reina Sofía; Tudela Spain
10. Department of Internal Medicine; Hospital de Badalona Germans Trias i Pujol; Universidad Católica de Murcia; Badalona Spain