[1] Univ Auckland, Auckland, New Zealand
[2] Univ Adelaide, Adelaide Med Sch, Adelaide, SA, Australia
[3] Univ Otago, Wellington, New Zealand
[4] Hutt Valley Dist Hlth Board, Lower Hutt, New Zealand
[5] Vet Affairs Med Ctr, San Diego, CA 92161 USA
[6] Univ Calif San Diego, San Diego, CA 92103 USA
[7] Toranomon Gen Hosp, Tokyo, Japan
[8] Univ Colorado, Aurora, CO USA
[9] Univ Otago, Dunedin, New Zealand
[10] Inst Nacl Rehabil Luis Guillermo Ibarra Ibarra, Mexico City, DF, Mexico
[11] Chiang Mai Univ, Chiang Mai, Thailand
[12] Univ Florida, Coll Med, Gainesville, FL USA
[13] Hosp Univ Alicante, Alicante, Spain
[14] Univ Miguel Hernandez, Alicante, Spain
[15] Univ Estado Rio De Janeiro, Rio De Janeiro, Brazil
[16] Keele Univ, Keele, Staffs, England
[17] Lille Catholic Univ, Lomme Les Lille, France
[18] St Philibert Hosp, Lomme Les Lille, France
[19] Taichung Vet Gen Hosp, Taichung, Taiwan
[20] Univ Basque Country, Biscay, Spain
[21] Cruces Univ Hosp, Baracaldo, Spain
[22] Biocruces Hlth Res Inst, Baracaldo, Spain
[23] Harvard Med Sch, Boston, MA 02115 USA
[24] Brigham & Womens Hosp, 75 Francis St, Boston, MA 02115 USA
[25] Corrona LLC, Waltham, MA USA
[26] Univ Massachusetts, Med Sch, Worcester, MA USA
[27] Mater Misericordiae Univ Hosp, Dublin, Ireland
[28] Univ Coll, Dublin, Ireland
[29] Henry Ford Hosp, Detroit, MI 48202 USA
[30] Christchurch Hosp, Christchurch, New Zealand
[31] Tech Univ Dresden, Univ Hosp Carl Gustav Carus, Dresden, Germany
[32] Hosp Gen Mexico City, Mexico City, DF, Mexico
[33] Univ Nacl Autonoma Mexico, Mexico City, DF, Mexico
[34] Inst Nacl Rehabil, Mexico City, DF, Mexico
[35] Hop Lariboisiere, AP HP, Paris, France
[36] INSERM, UMR 1132, Paris, France
[37] Univ Paris Diderot, Paris, France
[38] Massachusetts Gen Hosp, Boston, MA 02114 USA
[39] Univ Queensland, Sch Med, Herston, Qld, Australia
[40] Royal Brisbane & Womens Hosp, Herston, Qld, Australia
[41] Vet Affairs Med Ctr, Birmingham, AL USA
[42] Univ Alabama Birmingham, Birmingham, AL USA
[43] Viecuri Med Ctr, Venlo, Netherlands
[44] Rigshosp Glostrup, Glostrup, Denmark
[45] Diakonhjemmet Hosp, Oslo, Norway
[46] Duke Univ, Sch Med, Durham, NC USA
[47] Univ Ferrara, Ferrara, Italy
[48] Italian Soc Rheumatol, Milan, Italy
[49] ORLIK, Warsaw, Poland
[50] Univ Gothenburg, Sahlgrenska Acad, Gothenburg, Sweden