1. Department of Internal Medicine; Hospital Clínico Universitario Virgen de la Arrixaca; Murcia Spain
2. Department of Internal Medicine; Hospital General Universitario Santa Lucía; Murcia Spain
3. Department of Internal Medicine; Hospital Clínico Universitario de Santiago; Santiago de Compostela Spain
4. Department of Angiology; Ospedale Belcolle di Viterbo; Viterbo Lazio Italy
5. Department of Internal Medicine; Hospital Universitario de Gran Canaria Dr. Negrín; Las Palmas Spain
6. Department of Cardiovascular Medicine I; Charles University in Prague; Faculty of Medicine in Hradec Kralove; University Hospital Hradec Kralove; Hradec Kralove Czech Republic
7. Department of Internal Medicine; Fundación Privada Hospital de Mollet; Mollet del Vallés Spain
8. Department of Internal Medicine and Oncology Haematology; Hospital Dr. Patrocinio Peñuela Ruíz; Tachira Venezuela
9. Department of Internal Medicine; Hospital d'Olot I Comarcal de la Garrotxa; Garrotxa Spain
10. Department of Internal Medicine; Hospital Universitari Germans Trias i Pujol; Universidad Católica de Murcia; Murcia Spain