[1] Isahaya Gen Hosp, Dept Rheumatol, Japan Community Healthcare Org, Isahaya, Japan
[2] Isahaya Gen Hosp, Dept Hematol, Japan Community Healthcare Org, Isahaya, Japan
[3] Isahaya Gen Hosp, Dept Otolaryngol, Japan Community Healthcare Org, Isahaya, Japan
[4] Nagasaki Univ, Grad Sch Biomed Sci, Dept Immunol & Rheumatol, Nagasaki, Japan
[5] Nagasaki Univ, Atom Bomb Dis Inst, Dept Tumor & Diagnost Pathol, Nagasaki, Japan