[1] Yamagata Univ, Fac Med, Dept Dermatol, Sch Med, Yamagata 9909585, Japan
[2] Hokkaido Univ, Grad Sch Med, Dept Dermatol, Sapporo, Hokkaido, Japan
[3] Nagoya Univ, Grad Sch Med, Dept Dermatol, Nagoya, Aichi 4648601, Japan
[4] Kyoto Univ, Grad Sch Med, Dept Dermatol, Kyoto, Japan
[5] Iwate Cent Prefectural Hosp, Dept Dermatol, Morioka, Iwate, Japan
[6] Chigasaki Municipal Hosp, Dept Dermatol, Chigasaki, Kanagawa, Japan
[7] Osaka City Univ, Grad Sch Med, Dept Dermatol, Osaka 558, Japan
[8] Kinki Univ, Sch Med, Dept Dermatol, Osaka 589, Japan
[9] Tokyo Med Univ, Dept Dermatol, Tokyo, Japan
[10] Okayama Univ, Grad Sch Med & Dent, Dept Dermatol, Okayama, Japan