Affiliation: | 1. Medical College of Wisconsin, Milwaukee, WI, USA;2. Department of Dermatology, Medical College of Wisconsin, Milwaukee, WI, USA;3. Department of Pathology, Medical College of Wisconsin, Milwaukee, WI, USA;4. Dermpath Diagnostics, Wauwatosa, WI, USA;5. Departments of Dermatology and Laboratory Medicine & Pathology, Mayo Clinic, Jacksonville, FL, USA |