1. Medical Education Department, Faculty of Medicine, Concepción University, Chacabuco Esquina Janequeo s/n., Concepción 4030000, Chile
2. Radiology, Rehabilitation and Physiotherapy Department, Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, San Carlos Clinical Hospital Health Research Institute, Av. Séneca, 2, 28040 Madrid, Spain
3. Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine Department, Faculty of Health Sciences Department, King Juan Carlos University, Av. de Atenas, s/n., 28922 Madrid, Spain
4. Physiotherapy Department, Faculty of Health Sciences, Universidad Europea de Madrid, C. Tajo, s/n, 28670 Madrid, Spain
5. Human Movement Department, Universidad Autónoma de Manizales, Antigua Estación del Ferrocarril, Manizales 170001, Colombia
6. Kinesiology Department, Faculty of Medicine, Universidad de Concepción, Chacabuco Esquina Janequeo s/n., Concepción 4030000, Chile