[1] M.D. Anderson Cancer Center,Dept. of Epidemiology
[2] Consejo Superior de Investigaciones Científicas,Instituto de Parasitología y Biomedicina López
[3] University Medical Center Utrecht,Neyra
[4] Radboud University Nijmegen Medical Center,Dept. of Medical Genetics
[5] Hospital Valle de Hebron,Dept. of Rheumatology
[6] University Medical Centre Groningen,Servicio de Medicina Interna
[7] Radboud University Nijmegen Medical Center,Dept. of Epidemiology
[8] Vrije Universiteit (VU) Medical Centre,Dept. of Human Genetics
[9] University of Leiden,Dept. of Rheumatology
[10] Université catholique de Louvain,Dept. of Rheumatology
[11] University of Cologne,Cliniques Universitaires Saint
[12] Hospital Clínico Universitario,Luc
[13] Hospital Marqués de Valdecilla,Dept. of Dermatology
[14] Hospital Virgen del Rocio,Servicio de Medicina Interna
[15] Hospital Virgen del Rocío,Servicio de Reumatología
[16] Università degli Studi,Servicio de Medicina Interna
[17] Newcastle University,Servicio de Inmunología
[18] University of Manchester,Rheumatology Unit and Chair, Spedali Civili
[19] Manchester Academic Health Science Centre,Institute of Cellular Medicine
[20] Lund University,Dept. of Rheumatology and Epidemiology
[21] Ghent University,Dept. of Clinical Sciences, Division of Rheumatology
[22] Glasgow Royal Infirmary Glasgow,Centre for Rheumatic Diseases
[23] Katholieke Universiteit Leuven,Dept. of Dermatology
[24] Josefs-Hospital,Center for Medical Genetics
[25] Ruhr University Bochum,Center for Molecular Medicine
[26] Ghent University Hospital,Referral Center for Systemic Autoimmune Diseases
[27] Hannover Medical School,Dept. of Clinical and Experimental Medicine
[28] Karolinska Institutet,Institute of Immunology
[29] Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico and University of Milan,Dept. of Rheumatology, Rikshospitalet
[30] University Hospital,Servicio de Reumatología
[31] University of Verona,Dept. of Rheumatology and Clinical Immunology
[32] Oslo University Hospital Rikshospitalet,Centre for Rheumatology
[33] Oslo University Hospital,undefined
[34] Hospital Ramón y Cajal,undefined
[35] Hospital 12 de Octubre,undefined
[36] Northwestern University Feinberg School of Medicine,undefined
[37] Feinstein Institute of Medical Research,undefined
[38] The University of Texas Health Science Center–Houston,undefined
[39] Charité University Hospital,undefined
[40] Royal Free and University College School,undefined