1. Health Surveillance Unit, Mutual Insurance Union, 12004 Castellon, Spain
2. Department of Medicine, Jaume I University, 12006 Castellon, Spain
3. Lipids and Cardiovascular Prevention Unit, Pinto University Health Centre, Pinto, 28320 Madrid, Spain
4. Department of Medicine, European University of Madrid, Villaviciosa de Odon, 28670 Madrid, Spain
5. Family and Community Medicine, Getxo, 48993 Bizkaia, Spain
6. San Blas Health Centre, Parla, 28981 Madrid, Spain
7. Casas Ibáñez Health Center, 02200 Albacete, Spain
8. Santa Catalina Health Centre, 07001 Palma, Spain
9. La Paz University Hospital, 28046 Madrid, Spain
10. Ramon y Cajal University Hospital, 28034 Madrid, Spain
11. Department of Medicine, Alcala University, 28801 Madrid, Spain