[1] Natl Ctr Geriatr & Gerontol, Ctr Gerontol & Social Sci, 7-430 Morioka, Obu, Aichi 4748511, Japan
[2] Japan Rheumatism Friendship Assoc, Tokyo, Japan
[3] Hiroshima Univ Hosp, Dept Clin Immunol & Rheumatol, Hiroshima, Japan
[4] Kyoto Univ, Grad Sch Med, Dept Adv Med Rheumat Dis & Orthoped Surg, Kyoto, Japan
[5] Keio Univ, Sch Med, Dept Internal Med, Div Rheumatol, Tokyo, Japan
[6] Kyorin Univ, Sch Med, Dept Nephrol & Rheumatol, Tokyo, Japan
[7] Kyoto Prefectural Univ Med, Grad Sch Med Sci, Inflammat & Immunol, Kyoto, Japan
[8] Nagoya Univ, Grad Sch Med, Dept Orthoped Surg, Nagoya, Aichi, Japan
[9] Kanazawa Med Univ, Dept Rehabil Med, Kanazawa, Ishikawa, Japan
[10] Tokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Dept Lifetime Clin Immunol, Tokyo, Japan
[11] Kobe Univ, Grad Sch Med, Dept Rheumatol & Clin Immunol, Kobe, Hyogo, Japan
[12] Japan Drug Informat Inst Pregnancy, Natl Ctr Child Hlth & Dev, Div Maternal Med, Ctr Maternal Fetal Neonatal & Reprod Med, Tokyo, Japan
[13] Okayama Univ, Grad Sch Med Dens & Pharmaceut Sci, Dept Orthoped Surg, Okayama, Japan
[14] Tokyo Womens Med Univ, Yachiyo Med Ctr, Dept Rheumatol, Chiba, Japan
[15] Japanese Red Cross Nagoya Daiichi Hosp, Dept Orthoped Surg, Nagoya, Aichi, Japan
[16] Tokyo Womens Med Univ, Sch Med, Dept Rheumatol, Tokyo, Japan
[17] Kyoto Univ, Sch Publ Hlth, Dept Hlth Informat, Kyoto, Japan