[1] Hokkaido Univ, Grad Sch Med, Dept Dermatol, Kita Ku, Sapporo, Hokkaido 0608638, Japan
[2] Thomas Jefferson Univ, Jefferson Med Coll, Dept Dermatol & Cutaneous Biol, Philadelphia, PA 19107 USA
[3] Kings Coll London, St Thomas Hosp, St Johns Inst Dermatol, London WC2R 2LS, England
[4] Univ Dundee, Dept Anat & Physiol, Dept Cell Struct, Dundee DD1 4HN, Scotland
[5] Queen Mary Univ London, St Bartholomews & Royal London Sch Med & Dent, Ctr Cutaneous Res, London E1 4NS, England
[6] Nagoya Univ, Nagoya, Aichi, Japan
[7] Univ Vienna, Dept Mol Cell Biol, Vienna, Austria
[8] Natl Omuta Hosp, Dept Neurol, Fukuoka, Japan