1 Section of Dermatology, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire, USA.
2 Section of Dermatology, and Department of Pathology and Laboratory Medicine, Dermatopathology Division, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire, USA.
3 Department of Pathology and Laboratory Medicine, Dermatopathology Division, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire, USA.