[1] Nippon Med Sch, Grad Sch Med, Dept Allergy & Rheumatol, Tokyo 113, Japan
[2] Univ Fukui, Fac Med Sci, Dermatol, Fukui 910, Japan
[3] Gunma Univ, Grad Sch Med, Dept Dermatol, Gunma, Japan
[4] Jusendo Gen Hosp, Dept Rheumatol, Koriyama, Fukushima, Japan
[5] Nagasaki Univ, Grad Sch Biomed Sci, Dept Dermatol, Nagasaki 852, Japan
[6] Univ Tsukuba, Grad Sch Comprehens Human Sci, Doctoral Program Clin Sci, Div Clin Immunol, Tsukuba, Ibaraki, Japan
[7] Univ Tokyo, Grad Sch Med, Dermatol, Tokyo, Japan
[8] Kumamoto Univ, Fac Life Sci, Dept Dermatol & Plast Surg, Kumamoto, Japan
[9] Tokyo Womens Med Univ, Inst Rheumatol, Tokyo, Japan
[10] Kanazawa Univ, Grad Sch Med Sci, Dermatol, Kanazawa, Ishikawa, Japan