[1] Tohoku Med & Pharmaceut Univ, Div Dermatol, Miyagino Ku, 1-12-1 Fukumuro, Sendai, Miyagi 9838512, Japan
[2] Kobe Univ, Grad Sch Med, Dept Internal Related, Div Dermatol,Chuo Ku, 7-5-1 Kusunoki Cho, Kobe, Hyogo 6500017, Japan
[3] Nishiwaki Municipal Hosp, Dept Dermatol, 652-1 Shimotoda, Nishiwaki 6770043, Japan
[4] Kobe Univ Hosp, Dept Diagnost Pathol, Chuo Ku, 7-5-2 Kusunoki Cho, Kobe, Hyogo 6500017, Japan
[5] Tohoku Med & Pharmaceut Univ, Div Clin Pathol, Miyagino Ku, 1-12-1 Fukumuro, Sendai, Miyagi 9838512, Japan