1. Department of Oral Microbiology and Immunology; The Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
2. Department of Behavioural and Community Dentistry; The Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
3. Centre of Gerodontology; Public Dental Service; Västra Götaland Sweden
4. Department of Oral Medicine and Pathology; The Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
5. Department of Orofacial Pain; Institute of Odontology; The Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
6. Department of Pharmacology; Institute of Neuroscience and Physiology; The Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden