1 Senior Researcher, Maxillofacial Surgery and Medicine, Veterans Affairs Medical Center, Los Angeles, CA Professor-in-Residence Oral and Maxillofacial Surgery, UCLA Dental School, Los Angeles, CA; and Director of Quality Assurance, Hospital Dental Service, Ronald Regan UCLA Medical Center, Los Angeles, CA. Electronic address: arthur.friedlander@va.gov.
2 Oral and Maxillofacial Surgeon and Full Professor, Department of Dentistry, School of Life Sciences, Pontifical Catholic University of Paraná, Curitiba, Brazil.
3 Oral Medicine Specialist and Associate Professor, Department of Dentistry, School of Life Sciences, Pontifical Catholic University of Paraná, Curitiba, Brazil.