1. Department of Oral Surgery and Pathology School of Dentistry Universidade Federal de Minas Gerais (UFMG) Belo Horizonte Brazil
2. Department of Pathology Biological Sciences Institute Universidade Federal de Minas Gerais (UFMG) Belo Horizonte Brazil
3. Department of Prosthodontics Faculty of Odontology Malmö University Malmö Sweden
4. Unit of Oral and Maxillofacial Pathology of the Dental Clinic Service Department of Stomatology II University of the Basque Country (UPV‐EHU) Bizkaia Spain