1. Department of Nursing, Faculty of Nursing, Physiotherapy and Podiatry Complutense University of Madrid Madrid Spain
2. Department of Stomatology, Faculty of Odontology Complutense University of Madrid Madrid Spain
3. Section for Orofacial Pain and Jaw Function, Department of Dentistry and Oral Health Aarhus University Aarhus Denmark
4. Faculty of Odontology, Scandinavian Center for Orofacial Neurosciences (SCON) Malmø University Malmø Sweden