1. Departments of Pathology, Harvard School of Dental Medicine,
2. Department of Harvard Medical School the Beth Israel-Deaconess Medical Center,
3. Department of Boston, Massachusetts; Department of Dermatology, Nippon Medical School, Tokyo, Japan
4. Department of Morphology, Faculty of Dentistry of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
5. Department of Medicine, Virginia Commonwealth University, Richmond, Virginia