1. MD, Professor, Department of Pathology, University Teaching Hospital of Lomé, Togo
2. MD, Professor, Department of Pathology, University Teaching Hospital of Cocody, Abidjan, Ivory Coast
3. MD, Assistant-Professor, Department of Pathology, University Teaching Hospital of Lomé, Togo
4. MD, Professor, Department of Head and Neck Surgical, University Teaching Hospital of Lomé, Togo
5. MD, Assistant-Professor, Department of Stomatology, University Teaching Hospital of Lomé, Togo
6. MD, PHD, Professor, Department of Pathology, University Teaching Hospital of Lomé, Togo