1. Escuela Internacional de Doctorado, Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, 28922 Alcorcón, Spain
2. CranioSpain Research Group, Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, 28043 Madrid, Spain
3. Toledo Physiotherapy Research Group (GIFTO), Faculty of Physical Therapy and Nursing, Universidad de Castilla-La Mancha, 45071 Toledo, Spain
4. Instituto de Investigación Sanitaria de Castilla-La Mancha (IDISCAM), 45071 Castilla-La Mancha, Spain
5. Department of Oral and Maxillofacial Surgery, University Hospital La Paz, 28046 Madrid, Spain
6. Departamento de Fisioterapia, Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, 28043 Madrid, Spain
7. Unit of Physiotherapy, Hospital La Paz-Carlos III, Institute for Health Research IdiPAZ, 28046 Madrid, Spain