1GENUD Toledo Research Group, Universidad de Castilla-La Mancha, Toledo, Spain
2CIBER of Frailty and Healthy Aging (CIBERFES), Madrid, Spain
3Geriatric Department, Hospital Virgen del Valle, Toledo, Spain
4Geriatric Department, Hospital Universitario de Getafe, Getafe, Spain
5School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, UK
6Department of Movement and Sport Sciences, Ghent University, Ghent, Belgium