[1] Bicetre Hosp, Assistance Publ Hop Paris AP HP, Natl Reference Ctr Auto inflammatory Dis & Amyloi, Dept Pediat Rheumatol, Le Kremlin Bicetre, France
[2] ASST Mantova, SSD Allergol & Immunol Clin, Mantua, Italy
[3] Hosp Univ Severo Ochoa, Dept Rheumatol, Madrid, Spain
[4] Univ Nis, Ctr Clin, Pediat Clin, Fac Med, Nish, Serbia
[5] Univ Ottawa, Childrens Hosp Eastern Ontario, Div Pediat Dermatol & Rheumatol, Ottawa, ON, Canada
[6] IRCCS Osped Pediat Bambino Gesu, Pediat Rheumatol Unit, Rome, Italy
[7] Hosp Univ Fdn Jimenez Diaz, Madrid, Spain
[8] Univ Autonoma Madrid, Dept Rheumatol, Bone & Joint Res Unit, Madrid, Spain
[9] Stituto Reumatol Univ Cattolica Sacro Cuore, Fdn Policlin Univ Agostino Gemelli, IRCCS, UOC Reumatol, Rome, Italy
[10] Univ Brest, La Cavale Blanche Univ Hosp, Dept Rheumatol, Inserm,LBAI,UMR 1227, Brest, France