[1] Imamura Bun In Hosp, Dept Haematol, Kagoshima, Japan
[2] Imamura Bun In Hosp, Dept Dermatol, Kagoshima, Japan
[3] Imamura Hosp, Dept Haematol, Kagoshima, Japan
[4] Natl Hosp Org Kagoshima Med Ctr, Dept Haematol, Kagoshima, Japan
[5] Kagoshima Univ Hosp, Dept Haematol & Immunol, Kagoshima, Japan
[6] Kagoshima Univ, Div Haematol & Immunol, Ctr Chron Viral Dis, Grad Sch Med & Dent Sci, Kagoshima, Japan