[1] MITSUI MEM HOSP,CHIYODA KU,TOKYO 101,JAPAN
[2] NATL SAGAMIHARA HOSP & RES CTR RHEUMATOL ALLERGY,SAGAMIHARA,KANAGAWA 228,JAPAN
[3] KANTO CENT HOSP,SETAGAYA KU,TOKYO 158,JAPAN
[4] TOKYO METROPOLITAN FUCHU GEN HOSP,FUCHU,TOKYO 183,JAPAN
[5] OMOTO ORTHOPAED CLIN,KURE,HIROSHIMA 737,JAPAN