1. Diagnostic in Oral Pathology and Oral Medicine Department, School of Dentistry Universidad de la Republica (UDELAR) Montevideo Uruguay
2. Members of an International Consortium on Odontogenic Tumours
3. Department of Pathology and Laboratory Medicine Emory University Atlanta Georgia USA
4. Department of Oral and Maxillofacial Pathology, School of Dentistry University of Pretoria Pretoria South Africa
5. Oral and Maxillofacial Pathology, UDHS Oral Pathology Laboratory University of Pittsburgh School of Dental Medicine Pittsburgh Pennsylvania USA
6. School of Dentistry University of Otago Dunedin New Zealand
7. Oral Pathology Department, Faculty of Dentistry University of Istanbul Istanbul Türkiye
8. Department of Oral Pathology, Faculty of Dentistry, College of Medicine University of Ibadan Ibadan Nigeria
9. Department of Oral and Maxillofacial Clinical Sciences, Faculty of Dentistry Universiti Malaya Kuala Lumpur Malaysia
10. Department of Oral Pathology, Shanghai Ninth People's Hospital Shanghai Jiaotong University School of Medicine Shanghai China
11. Department of Oral Surgery and Pathology, School of Dentistry Universidade Federal de Minas Gerais Belo Horizonte Brazil
12. Faculty of Medical Science of Minas Gerais Belo Horizonte Brazil
13. Liverpool Head and Neck Centre, Molecular and Clinical Cancer Medicine University of Liverpool Liverpool UK