1. Center of Oral Health, School of Health and Welfare, Jönköping University Jönköping Sweden
2. Department of Nursing School of Health and Welfare, Jönköping University Jönköping Sweden
3. Department of Clinical Neurophysiology Linköping University Hospital Linköping Sweden
4. Division of Orthodontics Ohio State University Columbus Ohio USA
5. Division of Dental Hygiene Ohio State University Columbus Ohio USA
6. Odontologiska Institutionen Department of Orthodontics Jönköping Sweden
7. Department of Health Sciences Karlstad University Karlstad Sweden