1. Department of Dermatology; Hospital of the University of Pennsylvania; Philadelphia Pennsylvania
2. Bureau of Economic Analysis; Suitland Maryland
3. Department of Medicine; University of Washington School of Medicine; Seattle Washington
4. David Geffen School of Medicine at UCLA; Los Angeles California
5. Division of Dermatology, Department of Medicine; University of Washington School of Medicine; Seattle Washington
6. Dermatopathology Northwest; Bellevue Washington
7. Department of Pathology; Institut Curie Paris Sciences and Lettres Research University, and Faculty of Medicine University of Paris Descartes; Paris France
8. Pathology Associates; Clovis California
9. Department of Pathology and Laboratory Medicine; Hospital of the University of Pennsylvania; Philadelphia Pennsylvania