1. Department of Oral Medicine and Pathology Institute of Odontology The Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
2. Clinic of Oral Medicine Public Dental Service Region Västra Götaland NÄL Hospital Trollhättan Sweden
3. Department of Oral and Maxillofacial Surgery Institute of Odontology The Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
4. Department of Infectious Medicine Institute of Biomedicine The Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
5. Department of Oncology Institute of Clinical Sciences The Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
6. Department of Clinical Pathology Sahlgrenska University Hospital Gothenburg Sweden
7. Department of Oral Biology Faculty of Odontology University of Oslo Oslo Norway
8. Department of Surgical Sciences, Oral and Maxillofacial Surgery Uppsala University Uppsala Sweden
9. Department of Stomatology School of Dentistry University of São Paulo São Paulo Brazil
10. Laboratory of Virology School of Medicine Institute of Tropical Medicine of São Paulo São Paulo Brazil
11. Faculty of Dental Medicine Oral Pathology Discipline Carol Davila University of Medicine and Pharmacy Bucharest Romania
12. Victor Babes Institute of Pathology Bucharest Romania
13. Clinic of Oral Medicine Gothenburg Public Dental Service Region Västra Götaland Gothenburg Sweden