1. Biomedical Research Center Network for Frailty and Healthy Ageing (CIBERFES) Institute of Health Carlos III Madrid Spain
2. Biomedical Research Foundation Getafe University Hospital Getafe Spain
3. Gerontopole of Toulouse, Institute of Ageing Toulouse University Hospital (CHU Toulouse) Toulouse France
4. Geriatrics Department Virgen del Valle Hospital Toledo Spain
5. Geriatrics Department Getafe University Hospital Getafe Spain