1 Department of Dermatology, Aichi Medical University, Aichi, Japan, Department of Dermatology, Nagoya University Graduate School of Medicine, Aichi, Japan.
2 Department of Dermatology, Aichi Medical University, Aichi, Japan.
3 Department of Surgical Pathology, Aichi Medical University, Aichi, Japan.
4 Division of Surgical Pathology, Tokyo Medical and Dental University Hospital, Tokyo, Japan.
5 Department of Human Pathology, Graduate School of Medical Sciences, Tokyo Medical and Dental University, Tokyo, Japan.
6 Department of Dermatology, Nagoya University Graduate School of Medicine, Aichi, Japan.