1 Department of Geriatrics, Complejo Hospitalario de Navarra, Pamplona, Spain; IdiSNa, Navarra Institute for Health Research, Pamplona, Spain; Red de Investigación en Servicios Sanitarios en Enfermedades Crónicas, Pamplona, Spain.
2 Department of Geriatrics, Complejo Hospitalario de Navarra, Pamplona, Spain; IdiSNa, Navarra Institute for Health Research, Pamplona, Spain.
3 Exercise Research Laboratory, Physical Education School, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
4 Department of Health Sciences, Public University of Navarra, Pamplona, Spain.