[1] Osaka Metropolitan Univ, Grad Sch Med, Dept Dermatol, Osaka, Japan
[2] Yamagata City Hosp Saiseikan, Dept Dermatol, Yamagata, Japan
[3] Hokkaido Univ, Grad Sch Med, Dept Dermatol, Sapporo, Hokkaido, Japan
[4] Kurume Univ, Sch Med, Dept Dermatol, Kurume, Japan
[5] Dermatol Hosp Jiangxi Prov, Cent Lab, Nanchang, Peoples R China