1. Department of Stomatology II University of the Basque Country (EHU) Leioa Spain
2. Oral Medicine Oral Surgery and Implantology Unit (MedOralRes Group) Faculty of Medicine and Dentistry University of Santiago de Compostela Santiago de Compostela A Coruña Spain
3. Health Research Institute of Santiago de Compostela (IDIS) Santiago de Compostela Spain