1. Department of Stomatology, Federal University of Paraná, Curitiba, Brazil
2. Department of Therapeutic Stomatology, Institute of Dentistry, Sechenov University, Moscow, Russia
3. Division of Oral Radiology, Faculdade São Leopoldo Mandic, Instituto de Pesquisas São Leopoldo Mandic, Campinas, Brazil
4. Department of Otorhinolaryngology, Paraná State Institute of Otorhinolaryngology (IPO), Curitiba, Brazil