1. Physical Medicine and Rehabilitation Service, Virgen de las Nieves University Hospital, Biohealth Research Institute, Granada, Spain
2. Department of Physiotherapy, PA-HELP “Physical Activity for HEaLth Promotion” research group, University of Granada, Granada, Spain
3. Ciudad de Berja Nursing Home, Almería, Spain
4. Department of Health and Rehabilitation, The Sahlgrenska University Hospital, Gothenberg, Sweden; and Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
5. Department of Physiotherapy, University of Granada, Granada, Spain
6. Department of Family Practice, University of British Columbia, Vancouver, Canada
7. Centre for Hip Health and Mobility, Vancouver, Canada