1. Department of Dermatology University of Washington Seattle Washington USA
2. Department of Pathology and Laboratory Medicine University of Washington Seattle Washington USA
3. Department of Dermatology Stanford University School of Medicine Palo Alto California USA
4. Department of Pathology Stanford University School of Medicine Palo Alto California USA
5. Department of Pathology Oakland University William Beaumont School of Medicine and Beaumont Health Systems Royal Oak Michigan USA
6. Department of Dermatology University of California Davis School of Medicine Sacramento California USA
7. Department of Pathology and Laboratory Medicine University of California Davis School of Medicine Sacramento California USA
8. Department of Dermatology University of Michigan Ann Arbor Michigan USA
9. Department of Pathology University of Michigan Ann Arbor Michigan USA