1. Faculty of Medicine, Department of Medicine
2. Endocrinology and Nutrition Department, Hospital Clínico San Carlos, Madrid, Spain
3. Instituto de Investigación Sanitaria San Carlos
4. Faculty of Nursing, Department of Health Sciences, Universidad Complutense de Madrid, Madrid, Spain
5. Departments of Preventive Medicine
6. Geriatrics, Hospital Clínico San Carlos, Madrid, Spain