1. Department of Epidemiology School of Public Health University of Washington Seattle WA USA
2. Department of Oral Health Sciences School of Dentistry University of Washington Seattle WA USA
3. Section of Orofacial Pain and Jaw Function Department of Dentistry, Health Aarhus University Aarhus Denmark
4. Scandinavian Center for Orofacial Neurosciences (SCON) Aarhus Denmark
5. Orofacial Pain and TMD Program Faculty of Odontology Universidad Andres Bello Santiago Chile
6. Centre for Oral Health Research & Institute of Health and Society Newcastle University Newcastle UK