1. CIBER of Frailty and Healthy Ageing, CIBERFES Instituto de Salud Carlos III Madrid Spain
2. Biomedical Research Foundation Getafe University Hospital, Carretera de Toledo Madrid Spain
3. Geriatrics Department Getafe University Hospital, Carretera de Toledo Madrid Spain
4. Virgen del Valle Hospital Carretera de Cobisa Toledo Spain
5. Department of Preventive Medicine and Public Health Universidad Autónoma de Madrid/IdiPaz Madrid Spain
6. CIBER of Epidemiology and Public Health CIBERESP Instituto de Salud Carlos III Madrid Spain