[1] Yamagata Univ, Sch Med, Dept Dermatol, Yamagata 9909585, Japan
[2] Toyohashi Municipal Hosp, Dept Dermatol, Toyohashi, Aichi, Japan
[3] Univ Tsukuba, Dept Dermatol, Inst Clin Med, Ibaraki, Japan
[4] Osaka Univ, Dept Dermatol, Grad Sch Med, Osaka, Japan
[5] Nippon Med Sch, Dept Dermatol, Tokyo 113, Japan
[6] St Marianna Univ, Dept Dermatol, Sch Med, Kawasaki, Kanagawa, Japan
[7] Osaka City Univ, Dept Dermatol, Grad Sch Med, Osaka 558, Japan
[8] Surugadai Nihon Univ Hosp, Dept Dermatol, Tokyo, Japan
[9] Kobe Univ, Div Dermatol, Grad Sch Med, Kobe, Hyogo 657, Japan
[10] Tokyo Med Univ, Dept Dermatol, Tokyo, Japan