1 | Department of Physiotherapy, University of Seville, Avicena Street, 41009, Seville, Spain., Spain |
2 | Faculty of Sport Sciences, Universidad Europea de Madrid, Villaviciosa de Odón 28670, Spain., Spain |
3 | Facultad de Enfermería, Fisioterapia y Podología, Universidad Complutense de Madrid, 28040 Madrid, Spain, Spain |
4 | Frailty Research Organized Group (FROG), Department of Nursing, Faculty of Nursing and Podiatry, University of Valencia, 46001 Valencia, Spain., Spain |
5 | Department of Physical Therapy, University of Alcalá, 28805 Alcalá de Henares, Spain, Spain |