[1] Univ Siena, Dept Med Sci Surg & Neurosci, Rheumatol Unit, Viale Bracci 16, I-53100 Siena, Italy
[2] Azienda Ospedaliero Univ Senese, Policlin Le Scotte, European Reference Network ERN Rare Immunodeficien, Viale Bracci 16, I-53100 Siena, Italy
[3] Gazi Univ, Fac Med, Dept Internal Med, Div Rheumatol, Ankara, Turkiye
[4] Univ Bari, Dept Ophthalmol & Otolaryngol, Bari, Italy
[5] Cairo Univ, Fac Med, Dept Internal Med, Rheumatol & Clin Immunol Unit, Giza, Egypt
[6] New Giza Univ, Fac Med, Giza, Egypt
[7] Azienda Sociosanit Terr ASST Gaetano Pini, Ctr Specialist Ortoped Traumatol CTO, Unit Pediat Rheumatol, Milan, Italy
[8] King Saud Univ, Coll Med, Dept Med, Rheumatol Unit, Riyadh, Saudi Arabia
[9] King Saud Univ, Res Ctr, Coll Med, Riyadh, Saudi Arabia
[10] Inst Nacl Ciencias Med & Nutr Salvador Zubiran, Dept Immunol & Rheumatol, Mexico City, Mexico
[11] Mansoura Univ, Internal Med Dept, Rheumatol & Immunol Unit, Mansoura, Egypt
[12] Natl & Kapodistrian Univ Athens, Laiko Gen Hosp European Reference Network ERN Rare, Dept Propaedeut Internal Med 1, Athens, Greece
[13] Natl & Kapodistrian Univ Athens, Med Sch, Joint Acad Rheumatol Program, Athens, Greece
[14] Univ Bari, Dept Emergency & Organ Transplantat, Rheumatol Unit, Bari, Italy
[15] Univ & AOU Cagliari, Dept Med Sci, Rheumatol Unit, Cagliari, Italy
[16] Azienda Ospedaliero Universitaria AOU G Martino, Azienda Ospedaliero Universitaria AOU Martino G, Messina, Italy
[17] Univ Milan, Fatebenefratelli Hosp, Dept Biomed & Clin Sci, Milan, Italy
[18] Fatebenefratelli Sacco Hosp, Dept Childhood & Dev Med, Pediat Rheumatol Unit, Milan, Italy
[19] Hacettepe Univ, Fac Med, Dept Pediat Rheumatol, Ankara, Turkiye
[20] Univ Siena, Dept Mol Med & Dev, Clin Pediat, Siena, Italy
[21] Azienda Ospedaliero Univ Senese, European Reference Network ERN Rare Immunodeficien, Siena, Italy
[22] Univ Bari, Giovanni Pediat Hosp 23, Dept Pediat, Bari, Italy
[23] Inst Nacl Ciencias Med & Nutr Salvador Zubiran, Dept Ophthalmol, Mexico City, Mexico
[24] Gazi Univ Hosp, Dept Internal Med, Div Rheumatol, Ankara, Turkiye
[25] Univ Siena, Dept Med Surg & Neurosci, Ophthalmol Unit, Siena, Italy
[26] Univ Childrens Hosp, Univ Ljubljana, Dept Allergol Rheumatol & Clin Immunol, Ljubljana, Slovenia
[27] Univ Med Ctr Ljubljana, European Reference Network ERN Rare Immunodeficie, Ljubljana, Slovenia
[28] Univ Barcelona, Hosp Clin Barcelona, European Reference Network ERN Rare Immunodeficie, Inst Invest Biomed August Pi i Sunyer IDIBAPS, Barcelona, Spain