1. Oral Medicine, Oral Surgery and Implantology Unit, Faculty of Medicine and Odontology, University of Santiago de Compostela, Foundation of Health Research Institute of Santiago de Compostela, Santiago de Compostela, Spain
2. Department of Pathology, Clinical University Hospital, Santiago de Compostela, Spain
3. Department of Pathology and Forensic Sciences, University of Santiago de Compostela, Spain
4. Instituto de Investigación Sanitaria de Santiago, Santiago de Compostela, Spain
5. Department of Odontostomatology, Medicine and Health Sciences (School of Dentistry), University of Barcelona, Barcelona, Spain