[1] Department of Surgical and Hospital Dentistry, University of Louisville, 501 South Preston St. Rm 313, Louisville, KY
[2] College of Dentistry, University of Tennessee Health Science Center, Memphis, TN
[3] College of Dentistry, The Ohio State University, Columbus, OH
[4] Dermatopathology Service, Department of Pathology and Laboratory Medicine, New York Presbyterian Hospital, Cornell Campus, NY