[1] Osaka City Univ, Grad Sch Med, Dept Dermatol, Osaka, Japan
[2] Kainan Hosp, Dept Diagnost Pathol, Yatomi, Aichi, Japan
[3] Osaka City Univ, Grad Sch Med, Dept Diagnost Pathol, Osaka, Japan
[4] Tottori Univ, Fac Med, Dept Med Sensory & Motor Organs, Div Dermatol, Yonago, Tottori, Japan