[1] Univ Tokyo, Dept Dermatol, Grad Sch Med, Tokyo, Japan
[2] St Marianna Univ, Dept Dermatol, Sch Med, Kawasaki, Japan
[3] Univ Tokyo, Dept Hematol & Oncol, Grad Sch Med, Tokyo, Japan
[4] St Marianna Univ, Dept Dermatol, Sch Med, 2-16-1 Sugao,Miyamae Ku, Kawasaki, Kanagawa 2168511, Japan