[1] Univ Florence, Dept Expt & Clin Med, Div Rheumatol, Via Oblate 4, I-50141 Florence, Italy
[2] Univ Manchester, Fac Biol Med & Hlth, Sch Biol Sci, Ctr Musculoskeletal Res, AV Hill Bldg, Manchester M13 9LJ, Lancs, England
[3] Manchester Univ Hosp NHS Fdn Trust, Manchester Acad Hlth Sci Ctr, NIHR Biomed Res Ctr, Manchester, Lancs, England
[4] Univ Calif Los Angeles, Dept Rheumatol, Los Angeles, CA USA
[5] Univ Vita Salute San Raffaele, IRCSS San Raffaele Hosp, Unit Immunol Rheumatol Allergy & Rare Dis, Milan, Italy
[6] Univ Hosp Ctr Bezanijska Kosa, Dept Cardiol, Belgrade, Serbia
[7] Univ Belgrade, Sch Med, Belgrade, Serbia
[8] Univ Leeds, Leeds Inst Rheumat & Musculoskeletal Med, Leeds, W Yorkshire, England
[9] Univ Verona, Rheumatol Sect, Dept Med, Verona, Italy
[10] Univ Paris, Cochin Hosp, Dept Rheumatol, Paris, France
[11] Univ Manchester, Div Cardiovasc Sci, Manchester, Lancs, England
[12] Assuit Univ Hosp, Dept Rheumatol & Rehabil, Fac Med, Assiut, Egypt
[13] Univ Padua, Dept Cardiac Thorac Vasc Sci & Publ Hlth, Cardiol & Cardioimmunol Outpatient Clin, Padua, Italy
[14] Rutgers Robert Wood Johnson Med Sch, Dept Med, New Brunswick, NJ USA
[15] Mitera Gen Hosp, Dept Cardiol, Hygeia Grp, Athens, Greece
[16] Grad Sch Med, Nippon Med Sch, Dept Allergy & Rheumatol, Tokyo, Japan
[17] Onassis Cardiac Surg Ctr, Athens, Attica, Greece
[18] Kapodistrian Univ Athens, Athens, Attica, Greece
[19] CNR, Inst Clin Physiol, Pisa, Italy
[20] European Reference Network Rare Low Prevalence &, Brussels, Belgium
[21] Charite Univ Med Berlin, Charite Campus Virchow Klinikum, Dept Internal Med & Cardiol, Berlin, Germany
[22] Univ Tubingen, Inst Pathol & Neuropathol, Cardiopathol, Tubingen, Germany
[23] Univ Leeds, Leeds Inst Cardiovasc & Metab Med, Leeds, W Yorkshire, England
[24] St Georges Univ London, Inst Mol & Clin Sci, Cardiol Clin Acad Grp, London, England
[25] St Georges Univ Hosp NHS Fdn Trust, London, England
[26] Royal Free Hosp, Dept Rheumatol, London, England
[27] Univ Michigan, Dept Internal Med, Div Rheumatol, Scleroderma Program, Ann Arbor, MI 48109 USA
[28] Univ Cologne, Fac Med, Translat Matrix Biol, Cologne, Germany
[29] Univ Hosp Padua, Haematol & Clin Immunol Unit, Padua, Italy
[30] Federat European Scleroderma Assoc FESCA, Brussels, Belgium
[31] Univ Padua, Div Rheumatol, Dept Med, Padua, Italy
[32] Univ Padua, Dept Cardiac Thorac Vasc Sci & Publ Hlth, Padua, Italy
[33] Serbian Acad Arts & Sci, Belgrade, Serbia
[34] Careggi Univ Hosp, Div Rheumatol, Dept Geriatr Med, Florence, Italy