1. Escuela de Osteopatía de Madrid, Alcalá de Henares, Madrid, Spain.
2. Department of Nursing and Physical Therapy, University of the Balearic Islands, Islas Baleares, Spain.
3. Faculty of Nursing, Physical Therapy, Podiatry and Occupational Therapy, University of Málaga, Málaga, Spain.
4. Department of Physiotherapy, University of Seville, Seville, Spain.