1. Department of Pathology; The Johns Hopkins University School of Medicine; Baltimore Maryland
2. Department of Pathology and Laboratory Medicine; NorthShore University Health System; Evanston Illinois
3. Department of Pathology, Immunology, and Laboratory Medicine, College of Medicine; University of Florida; Gainesville Florida
4. Department of Pathology; Yale University; New Haven Connecticut
5. Department of Dermatology; Yale University; New Haven Connecticut