1. Department of Stomatognathic Physiology, Kalmar County Hospital, Kalmar, Sweden
2. Center for Oral Rehabilitation, Norrköping, Sweden
3. Department of Orofacial Pain and Jaw Function, Malmö University, Malmö, Sweden
4. Center for Oral Rehabilitation, Linköping, Sweden
5. Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
6. Regional Center for Child and Youth Mental Health and Child Welfare – Central Norway, Norwegian University of Science and Technology, Trondheim, Norway
7. Faculty of Medicine, Department of Odontology, Clinical Oral Physiology, Umeå University, Umeå, Sweden