[1] St Marianna Univ, Sch Med, Inst Med Sci, Dept Genome Sci, Kawasaki, Kanagawa 213, Japan
[2] Kagoshima Univ, Fac Med, Dept Dermatol, Kagoshima 890, Japan
[3] Kagoshima Univ, Fac Med, Mol Med Lab, Kagoshima 890, Japan
[4] St Marianna Univ, Sch Med, Inst Med Sci, Rheumatol Immunol & Genet Program, Kawasaki, Kanagawa 213, Japan