1. Escuela de Osteopatía de Madrid, Madrid, Spain.
2. Department of Physical Therapy, Universidad Católica de Ávila, Ávila, Spain.
3. Department of Nursing and Physiotherapy, University of the Balearic Islands, Palma, Spain.
4. University Institute of Health Sciences Research (IUNICS-IdISPa), University of the Balearic Islands, Palma, Spain.
5. Department of Physical Therapy, Faculty of Nursing, Physiotherapy and Podiatry, Universidad de Sevilla, Sevilla, Spain.
6. EU Francisco Maldonado, Department of Physical Therapy, Universidad de Sevilla, Osuna, Spain.