[1] King Abdulaziz Univ, Fac Med, Dept Pediat, Jeddah, Saudi Arabia
[2] King Abdulaziz Univ, Fac Med, Jeddah, Saudi Arabia
[3] Umm Al Qura Univ, Coll Med, Dept Med, Mecca, Saudi Arabia
[4] Matern & Children Specialized Jeddah Hosp, Dept Pediat Rheumatol, Jeddah, Saudi Arabia
[5] King Fahad Med Res Ctr, Immunol Unit, Jeddah, Saudi Arabia