1. Department of Medicine, Division of Dermatology, Larner College of Medicine at the University of Vermont , 89 Beaumont Avenue, Burlington, VT, USA
2. University of Vermont Medical Center Department of Medicine, Division of Dermatology, , 111 Colchester Avenue, Burlington VT, USA
3. University of Vermont Medical Center Department of Pathology and Laboratory Medicine, Division of Dermatopathology, , 111 Colchester Avenue, Burlington VT, USA