[1] Aarhus Univ Hosp, Dept Rheumatol, Aarhus, Denmark
[2] Aarhus Univ, Dept Clin Med, Aarhus, Denmark
[3] Norfolk & Norwich Univ Hosp NHS Trust, Rheumatol Dept, Vasculitis Serv, Norwich, England
[4] Univ Hosp, Clin Rheumatol, Basel, Switzerland
[5] Univ Leeds, Leeds Inst Rheumat & Musculoskeletal Med, Leeds, England
[6] Leeds Teaching Hosp NHS Trust, Leeds Biomed Res Ctr, Leeds, England
[7] Univ Pittsburgh, Div Rheumatol & Clin Immunol, Med, Med Ctr, Pittsburgh, PA USA
[8] Northwestern Univ, Feinberg Sch Med, Chicago, IL USA
[9] Univ Staffordshire, Sch Med, Stafford, England
[10] Patient Char Polymyalgia Rheumat & Giant Cell Art, Dundee, Scotland
[11] Univ Hosp Leuven, Lab Clin Infect & Inflammatory Disorders, Res Dept Microbiol & Immunol, Clin Dept,Gen Internal Med Dept, Leuven, Belgium
[12] Univ Ziekenhuis Gasthuisberg, Leuven, Belgium
[13] Brest Univ, Rheumatol, Brest, France
[14] La Cavale Blanche Hosp, Brest, France
[15] Univ Med Ctr Groningen, Dept Rheumatol & Clin Immunol, Groningen, Netherlands
[16] Fdn IRCCS Policlin San Matteo Pavia, Div Rheumatol, Rheumatol, Pavia, Italy
[17] Ctr Hosp Univ Lisboa Norte EPE, Rheumatol, Lisbon, Portugal
[18] Inst Med Mol, Rheumatol Res Unit, Lisbon, Portugal
[19] Hosp Univ La Paz, Madrid, Spain
[20] Massachusetts Gen Hosp, Boston, MA USA
[21] Mayo Clin, Rheumatol, Rochester, MN USA
[22] Vanderbilt Hlth, Vanderbilt Rheumatol, Nashville, TN USA
[23] Cleveland Clin, Orthoped & Rheumatol Inst, Cleveland, OH USA
[24] Med Coll Wisconsin, Dept Med, Milwaukee, WI USA
[25] Hosp Special Surg, New York, NY USA
[26] Univ Pittsburgh, Med Ctr Hlth Syst, Pittsburgh, PA USA
[27] Univ Estadual Campinas, Fac Ciencias Med, Dept Clin Med, Campinas, Brazil
[28] Univ Estadual Campinas, Dept Publ Hlth, Campinas, Brazil
[29] Pontificia Univ Javeriana Cali, Reference Ctr Osteoporosis Rheumatol & Dermatol, Fac Ciencias Salud, Cali, Colombia
[30] Clin Imbanaco, Cali, Colombia
[31] Hosp Nivel IV Guillermo Almenara Irigoyen, Rheumatol, Lima, Peru
[32] Univ Cient Sur, Sch Med, Lima, Peru
[33] UWA, Med & Pharmacol, Perth, Australia
[34] Austin Hlth, Rheumatol, Heidelberg, Vic, Australia
[35] Univ Melbourne, Med, Melbourne, Vic, Australia
[36] Immanuel Krankenhaus GmbH, Rheumatol, Berlin, Germany
[37] Brunico Hosp, Rheumatol, Brunico, Italy
[38] Med Univ Graz, Rheumatol, Graz, Austria