[1] Univ Tsukuba, Masters Program Med Sci, Grad Sch Comprehens Human Sci, Tsukuba, Ibaraki, Japan
[2] Univ Tsukuba, Fac Med, Mol & Genet Epidemiol Lab, Tsukuba, Ibaraki, Japan
[3] Kanazawa Univ, Dept Dermatol, Kanazawa, Ishikawa, Japan
[4] Natl Hosp Org Sagamihara 1 Hosp, Clin Res Ctr Allergy & Rheumatol, Sagamihara, Kanagawa, Japan
[5] Univ Tsukuba, Fac Med, Dept Internal Med, Tsukuba, Ibaraki, Japan
[6] Tokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Dept Rheumatol, Tokyo, Japan
[7] Tokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Dept Lifetime Clin Immunol, Tokyo, Japan
[8] Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Nephrol Rheumatol, Rheumatol Endocrinol & Metab, Okayama, Japan
[9] Juntendo Univ, Sch Med, Dept Internal Med & Rheumatol, Tokyo, Japan
[10] Yokohama Minami Kyosai Hosp, Dept Rheumatol, Yokohama, Kanagawa, Japan
[11] Komagome Hosp, Tokyo Metropolitan Canc & Infect Dis Ctr, Allergy & Immunol Dis, Tokyo, Japan
[12] Kitasato Univ, Dept Rheumatol & Infect Dis, Sagamihara, Kanagawa, Japan
[13] Tokyo Metropolitan Tama Med Ctr, Dept Rheumatol, Fuchu, Tokyo, Japan
[14] Tokyo Metropolitan Tama Med Ctr, Dept Rheumatol, Tokyo, Japan
[15] Natl Hosp Org Sagamihara Hosp, Rheumatol, Sagamihara, Kanagawa, Japan
[16] Natl Hosp Org Sagamihara 1 Hosp, Clin Res Ctr Allergy & Rheumatol, Sagamihara, Kanagawa, Japan
[17] Natl Hosp Org, Himeji Med Ctr, Dept Rheumatol, Himeji, Hyogo, Japan
[18] Natl Hosp Org, Morioka Hosp, Dept Rheumatol, Morioka, Iwate, Japan
[19] Natl Hosp Org, Kyushu Med Ctr, Dept Internal Med & Rheumatol, Clin Res Inst, Fukuoka, Fukuoka, Japan
[20] Yokohama City Univ, Med Ctr, Ctr Rheumat Dis, Yokohama, Kanagawa, Japan
[21] Natl Hosp Org, Nagoya Med Ctr, Dept Internal Med, Nagoya, Aichi, Japan
[22] Fukushima Med Univ, Sch Med, Fukushima, Japan
[23] Teikyo Univ, Sch Med, Dept Internal Med, Tokyo, Japan
[24] Univ Fukui, Dept Dermatol, Fukui, Japan
[25] Juntendo Univ, Koshigaya Hosp, Dept Internal Med, Koshigaya, Japan
[26] St Marianna Univ, Sch Med, Dept Internal Med, Kawasaki, Kanagawa, Japan
[27] Ome Municipal Gen Hosp, Dept Rheumatol, Ome, Japan
[28] Tokyo Metropolitan Geriatr Hosp, Dept Med & Rheumatol, Tokyo, Japan
[29] Univ Tsukuba, Fac Med, Dept Nephrol, Tsukuba, Ibaraki, Japan
[30] Univ Tsukuba, Fac Med, Dept Dermatol, Tsukuba, Ibaraki, Japan
[31] Juntendo Univ, Sch Med, Tokyo, Japan
[32] Okayama Univ Hosp, Okayama, Japan
[33] Kyorin Univ, Sch Med, Dept Internal Med 1, Tokyo, Japan
[34] Tokyo Womens Med Univ, Inst Rheumatol, Div Epidemiol & Pharmacoepidemiol Rheumat Dis, Tokyo, Japan
[35] Univ Tokyo, Dept Dermatol, Tokyo, Japan
[36] Natl Hosp Org Tokyo Natl Hosp, Kiyose, Japan
[37] Natl Hosp Org Tokyo Hosp, Sagamihara, Kanagawa, Japan