1. Department of Dermatology; Yale University School of Medicine; New Haven CT USA
2. Department of Medicine, Division of Dermatology; University of Washington; Seattle WA USA
3. Departments of Pathology and Dermatology Group Health Permanente; Seattle WA USA
4. Florida International University Wertheim College of Medicine; Miami FL USA
5. Department of Pathology; Yale University School of Medicine; New Haven CT USA