[1] Osaka Univ, Grad Sch Med, Div Gene Therapy Sci, Osaka, Japan
[2] Kings Coll London, St Johns Inst Dermatol, London WC2R 2LS, England
[3] Osaka Univ, Grad Sch Med, Dept Dermatol, Osaka, Japan
[4] Thomas Jefferson Univ, Jefferson Med Coll, Dept Dermatol & Cutaneous Biol, Philadelphia, PA 19107 USA
[5] Asahikawa Med Coll, Dept Dermatol, Asahikawa, Hokkaido 078, Japan