1 Associate Chief of Staff, Director of Graduate Medical Education, and Accreditation Council for Graduate Medical Education Designated Institutional Official, Veterans Affairs Greater Los Angeles Healthcare System; Professor-in-Residence, Oral & Maxillofacial Surgery, University of California at Los Angeles Dental School; and Director, Quality Assurance, Hospital Dental Service, Ronald Reagan University of California at Los Angeles Medical Center, Los Angeles, CA.
2 Oral Radiologist and Full Professor, School of Life Sciences, Department of Dentistry, Pontifical Catholic University of Paraná, Curitiba, Brazil. Electronic address: couto.s@pucpr.br.
3 Stomatologist and Associate Professor, School of Life Sciences, Department of Dentistry, Pontifical Catholic University of Paraná, Curitiba, Brazil.