[1] Kanazawa Univ, Dept Pediat, Sch Med, Inst Med Pharmaceut & Hlth Sci, Kanazawa, Ishikawa 9208641, Japan
[2] Hyogo Prefectural Kobe Childrens Hosp, Dept Pediat Rheumatol, Kobe, Hyogo, Japan
[3] Japanese Red Cross Wakayama Med Ctr, Dept Pediat, Wakayama, Japan