[1] Dana Dwek Childrens Hosp, Pediat Rheumatol Serv, Tel Aviv Sourasky Med Ctr, Tel Aviv, Israel
[2] Tel Aviv Univ, Sackler Fac Med, Tel Aviv, Israel
[3] Meir Med Ctr, Pediat Rheumatol Unit, Kefar Sava, Israel
[4] Univ Childrens Hosp, Univ Med Ctr Ljubljana, Dept Allergol Rheumatol & Clin Immunol, Ljubljana, Slovenia
[5] Tel Aviv Med Ctr & Sch Med, Allergy & Clin Immunol Unit, Tel Aviv, Israel
[6] Meir Med Ctr, Pediat, Kefar Sava, Israel
[7] Ruth Rappaport Childrens Hosp, Pediat Rheumatol Serv, Rambam Med Ctr, Haifa, Israel
[8] Tel Aviv Sourasky Med Ctr, Hosp Management, Informat & Operat Branch, Tel Aviv, Israel
[9] Tel Aviv Sourasky Med Ctr, Dept Endocrinol Metab & Hypertens, Tel Aviv, Israel
[10] Tel Aviv Sourasky Med Ctr, Dept Rheumatol, Tel Aviv, Israel