1. Division of Oral Radiology, Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil.
2. Section of Oral Radiology, Department of Dentistry and Oral Health, University of Aarhus, Aarhus, Denmark.
3. Division of Pharmacology, Department of Physiological Sciences, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil.