1. Department of Oral and Maxillofacial Diseases Turku University Hospital Turku Finland
2. Department of Prosthetic Dentistry and Stomatognathic Physiology University of Turku Turku Finland
3. Primary Health Care Unit Kuopio University Hospital Kuopio Finland
4. Folkhälsan Research Center Helsinki Finland
5. Department of Anaesthesiology, Intensive Care, and Pain Medicine, Division of Pain Medicine Helsinki University Hospital and University of Helsinki Helsinki Finland
6. Department of Anaesthesiology, Department of Pharmacology, Intensive Care and Pain Medicine, Helsinki University Hospital SleepWell Research Programme University of Helsinki Helsinki Finland
7. Department of Oral and Maxillofacial Surgery, Institute of Dentistry University of Turku Turku Finland