1 Department of Dermatology, Japan Community Healthcare Organization Osaka Hospital.
2 Department of Dermatology, Japan Community Healthcare Organization Osaka Hospital, Department of Dermatology, Tokyo Medical and Dental University, Graduate School of Medicine, Yushima 1-5-45, Bunkyo-ku, Tokyo 113-8519, Japan.
3 Department of Dermatology, Tokyo Medical and Dental University, Graduate School of Medicine, Yushima 1-5-45, Bunkyo-ku, Tokyo 113-8519, Japan.
4 Department of Pathology, Japan Community Healthcare Organization Osaka Hospital.