[1] Univ Pisa, Dept Clin & Expt Med, Rheumatol Unit, Pisa, Italy
[2] Hop Univ Strasbourg, Ctr Natl Reference Malad Autoimmunes Syst Rares, Dept Rheumatol, INSERM UMR S 1109, Strasbourg, France
[3] Univ Childrens Hosp, Univ Med Ctr Ljubljana, Dept Allergol Rheumatol & Clin Immunol, Ljubljana, Slovenia
[4] Fdn IRCCS CaGranda Osped Maggiore Policlin Milano, Referral Ctr Syst Autoimmue Dis, Milan, Italy
[5] European Federat Sjogrens Syndrome Patient Assoc, Biel, Switzerland
[6] ERN ReCOINNET, ePAG Representat Sjogrens Syndrome, Biel, Switzerland
[7] Charite Univ Med Berlin, Dept Rheumatol & Clin Immunol, Berlin, Germany
[8] Free Univ Berlin, Berlin, Germany
[9] Humboldt Univ, Berlin, Germany
[10] Univ Pavia, Fdn IRCCS Policlin San Matteo, Rheumatol Dept, Pavia, Italy
[11] Univ Genoa, Lab Expt Rheumatol, Dept Internal Med & Specialties DIMI, IRCCS San Martino Polyclin, Genoa, Italy
[12] Univ Genoa, Acad Div Clin Rheumatol, Dept Internal Med & Specialties DIMI, IRCCS San Martino Polyclin, Genoa, Italy
[13] Leiden Univ, Dept Rheumatol, Med Ctr, Leiden, Netherlands
[14] Univ Padua, Dept Med, Rheumatol Unit, Padua, Italy
[15] Hosp Santa Maria, Rheumatol Dept, Ctr Hosp Univ Lisboa Norte, Lisbon Acad Med Ctr, Lisbon, Portugal
[16] Univ Lisbon, Rheumatol Res Unit, Inst Med Mol Joilo Lobo Antunes, Fac Med, Lisbon, Portugal
[17] Federat European Scleroderma Assoc FESCA, Milan, Italy
[18] Strasbourg Univ Hosp, Dept Rheumatol, Natl Reference Syst Rare Autoimmune Dis, IBMC,CNRS UPR 3572, Strasbourg, France
[19] Univ Lille, Ctr Reference Malad Autoimmunes Syst Rares Nord &, U1286 INFINITE Inst Translat Res Inflammat, Serv Med Interne & Immunol Clin,CHU Lille, Lille, France
[20] Med Fac, Translat Matrix Biol, Cologne, Germany
[21] Med Fac, Dept Dermatol, Cologne, Germany
[22] Strasbourg Univ Hosp, Natl Reference Ctr Syst Autoimune Dis ESO, Clin Immunol Deparment, Strasbourg, France
[23] Univ Florence, Dept Expt & Clin Med, Florence, Italy
[24] AOUC, Div Rheumatol, Dept Geriatr Med, Florence, Italy
[25] IRCCS San Raffaele Hosp, Unit Immunol Rheumatol Allergy & Rare Dis UnIRAR, Milan, Italy
[26] Univ Cologne, Dept Dermatol & Venereol, Cologne, Germany
[27] Hop Cochin, Assistance Publ Hop Paris, Paris, France
[28] Justus Liebig Univ Giessen, Dept Rheumatol & Clin Immunol, Kerckhoff Clin Bad Nauheim, Bad Nauheim, Germany
[29] Univ Med & Pharm, Emergency Cty Teaching Hosp, Dept Rheumatol, Cluj Napoca, Romania
[30] Univ Ghent, Dept Internal Med, Ghent, Belgium
[31] Ghent Univ Hosp, Dept Rheumatol, Ghent, Belgium
[32] VIB Inflammat Res Ctr IRC, Unit Mol Immunol & Inflammat, Ghent, Belgium
[33] Univ Utrecht, Univ Med Ctr Utrecht, Dept Rheumatol & Clin Immunol, Utrecht, Netherlands
[34] Nucleo Sindrome Sjogren, Liga Portuguesa Doencas Reumat, Lisbon, Portugal
[35] ERN ReCONNET, ePAG Representat Sjogrens Syndrome, Lisbon, Portugal
[36] Univ Paris Saclay, Reference Ctr Rare Syst Autoimmube Dis, Hop Bicetre, Assistance Publ Hop Paris,INSERM UMR1184, Le Kremlin Bicetre, France