1. Department of Diagnostic and Biological Sciences School of Dentistry University of Minnesota Minneapolis MN USA
2. Division of Epidemiology & Community Health School of Public Health University of Minnesota Minneapolis MN USA
3. Department of Orofacial Pain and Jaw Function Faculty of Odontology Malmö University Malmö Sweden
4. Scandinavian Center for Orofacial Neurosciences Denmark
5. Dental Division Department for Prosthetic Dentistry Faculty of Medicine University of Ljubljana Ljubljana Slovenia
6. Section for Outcomes Research Center for Medical Statistics, Informatics, and Intelligent Systems Medical University of Vienna Vienna Austria
7. Department of Oral Basic Sciences Taibah University Medina Saudi Arabia
8. Department of Prosthodontics and Materials Science University of Leipzig Leipzig Germany
9. Department of Rehabilitation Medicine Skåne University Hospital Malmö Sweden
10. Department of Prosthodontics Showa University Tokyo Japan
11. Department of Pediatric Dentistry University Clinic of DentistryMedical University of Vienna Vienna Austria
12. Department of Social Dentistry Academic Centre for Dentistry Amsterdam (ACTA) University of Amsterdam & Vrije Universiteit Amsterdam Amsterdam The Netherlands
13. Department of Prosthetic Dentistry University Medical Center Hamburg‐Eppendorf Hamburg Germany
14. Removable Partial Prosthodontics Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Bunkyo‐ku Japan
15. Centre for Oral Rehabilitation Folktandvården Östergötland Linköping Sweden
16. Health Sciences Libraries University of Minnesota Minneapolis MN USA
17. Ludwig Boltzmann Cluster Arthritis and Rehabilitation Vienna Austria
18. Department of Orthodontics Faculty of Odontology Malmö Sweden
19. Department of Orofacial Pain and Disfunction Academic Center for Dentistry Amsterdam (ACTA) University of Amsterdam and VU University Amsterdam Amsterdam The Netherlands