1. Rutgers School of Dental Medicine, Newark, NJ, USA
2. Pathology and Cytology Laboratory, Lexington, KY, USA
3. Center for Oral Pathology, Dallas, TX, USA
4. Oral and Maxillofacial Pathology ProPath, Dallas, TX, USA
5. Oral & Maxillofacial Pathology, Director, UDHS Oral Pathology Laboratory, University of Pittsburgh School of Dental Medicine, Pittsburgh, PA, USA