- Hospital General Universitario Gregorio Marañón, Tallaght University Hospital, Tallaght University Hospital, Tallaght University Hospital, Trinity College (Dublin) - St. James’s Hospital, Trinity College (Dublin) - St. James’s Hospital, - Hospital General Universitario Gregorio Marañón, - Hospital General Universitario Gregorio Marañón, Unidade Local de Saúde de Santa Maria, University of Pavia, Fondazione IRCCS Policlinico San Matteo, University of Siena, University of Siena, Ain Shams University, Hospital Universitario La Paz, University of Padua, University of Padua, Azienda Unità Sanitaria Locale (AUSL) - IRCCS di Reggio Emilia, Azienda Unità Sanitaria Locale (AUSL) - IRCCS di Reggio Emilia, Complex Hospitalari Universitari Moisès Broggi, Complex Hospitalari Universitari Moisès Broggi, Medical University of Plovdiv, Ramón y Cajal University Hospital, University of Barcelona - Bellvitge University Hospital, Paracelsius Medical University, University Hospital Marqués de Valdecilla, University Hospital Marqués de Valdecilla, Autonomous University of Barcelona - Hospital Universitari Vall d'Hebron, Universidade de Santiago de Compostela, Universidade de Santiago de Compostela, Infanta Leonor Hospital, Bedfordshire Hospitals NHS Foundation Trust, Hospital Universitario Gregorio Marañón, Hospital Universitario Gregorio Marañón, Medical University of Graz, Hospital Universitario La Paz and Independent

affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Copenhagen - Department of Clinical Medicine, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Karolinska Institutet - Clinical Epidemiology Division, affiliation not provided to SSRN, Institute of Rheumatology, Institute of Rheumatology, University of Medicine and Pharmacy Carol Davila Bucharest, University of Copenhagen - Department of Clinical Medicine, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Diakonhjemmet Hospital, District General Hospital of Førde - Section for Rheumatology, affiliation not provided to SSRN, University of Göttingen - University Medical Centre, Landspitali University Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, - Hospital General Universitario Gregorio Marañón, University of Aberdeen - Aberdeen Centre for Arthritis and Musculoskeletal Health (Epidemiology Group), affiliation not provided to SSRN and University of Copenhagen