| Institution: | 1. Oral Medicine Clinical Services, University of Pennsylvania School of Dental Medicine, 240 South 40th Street, Philadelphia, PA 19104, USA;2. Oral Medicine, University of Pennsylvania School of Dental Medicine, 240 South 40th Street, Philadelphia, PA 19104, USA;3. Oral and Maxillofacial Radiology, University of Pennsylvania School of Dental Medicine, 240 South 40th Street, Suite 214, Philadelphia, PA 19104, USA;1. Department of Oral Medicine, Robert Schattner Center, University of Pennsylvania School of Dental Medicine, 240 South 40th Street, Suite 214, Philadelphia, PA 19104, USA;2. Faculty of Dental Medicine, Université Laval, 2420, rue de la Terrasse, Québec, Québec G1V 0A6, Canada;1. Bursa Uludağ University, Faculty of Dentistry, Department of Dentomaxillofacial Radiology, Bursa, Turkey;2. Ankara University, Faculty of Dentistry, Oral and Maxillofacial Surgery Department, Ankara, Turkey;3. Gazi University, Faculty of Dentistry, Department of Oral Pathology, Ankara, Turkey |
