1. Department of Pathology; Cedars Sinai Medical Center; Los Angeles; CA; USA
2. Department of Dermatology; Johns Hopkins University; Baltimore; MD; USA
3. Department of Pathology; Johns Hopkins Medical Institutions; Baltimore; MD; USA
4. Department of Pathology; Johns Hopkins Bayview Medical Center; Baltimore; MD; USA
5. Department of Oncology; Johns Hopkins University; Baltimore; MD; USA