1. Institute for Health Research Aragón, 50009 Zaragoza, Spain
2. Miguel Servet University Hospital, 50009 Zaragoza, Spain
3. Department of Human Anatomy and Histology, Faculty of Medicine, University of Zaragoza, 50009 Zaragoza, Spain
4. Department of Nursing, Physiotherapy and Occupational Therapy, Faculty of Health Sciences, University of Zaragoza, 50009 Zaragoza, Spain
5. Department of Physiotherapy, Faculty of Nursing, Physiotherapy and Podiatry, University of Seville, 41009 Seville, Spain