[1] Nagoya Univ, Grad Sch Med, Dept Dermatol, Showa Ku, Nagoya, Aichi 4668550, Japan
[2] Kobe Univ, Grad Sch Med, Dept Dermatol, Kobe, Hyogo, Japan
[3] Oita Univ, Fac Med, Dept Dermatol, Oita, Japan
[4] Keio Univ, Sch Med, Dept Dermatol, Tokyo, Japan
[5] Fujita Hlth Univ, Dept Dermatol, Toyoake, Aichi 47011, Japan
[6] Gifu Univ, Sch Med, Dept Dermatol, Gifu 500, Japan