Kenneth Shroyer(Department of Pathology, University of Colorado School of Medicine)
Robert O. Greer(Division of Oral and Maxillofacial Pathology, University of Colorado School of Dentistry and Department of Pathology, University of Colorado School of Medicine)
Correspondence to
George Hoernig(Division of Oral and Maxillofacial Pathology, University of Colorado School of Dentistry)
