[1] Seattle Childrens, Mercer Isl, WA USA
[2] Univ N Carolina, Sch Med, Chapel Hill, NC USA
[3] Indiana Univ, Indianapolis, IN USA
[4] Seattle Childrens Hosp, Seattle, WA USA
[5] Hackensack Univ, Med Ctr, Montclair, NJ USA
[6] Hacettepe Univ, Div Pediat Rheumatol, Dept Pediat, Fac Med, Ankara, Turkiye
[7] Univ Iowa, Carver Coll Med, Abu Dhabi, U Arab Emirates
[8] Univ Iowa, Iowa City, IA USA
[9] Univ Utah, Salt Lake City, UT USA
[10] IRCCS Osped Pediat Bambino Gesu, Rome, Italy
[11] Univ Florence, Meyer Children Hosp, IRCCS, Florence, Italy
[12] Univ Florence, NEUROFARBA Dept, Florence, Italy
[13] Univ Florence, Florence, Italy
[14] Seattle Childrens Res Inst, Biostat Epidemiol & Analyt Res, Seattle, WA USA
[15] Univ Cincinnati, Cincinnati Childrens Hosp Med Ctr, Coll Med, Cinciannati, OH USA
[16] UNC Hlth Care, Durham, NC USA
[17] Seattle Childrens Hosp, Seattle, WA USA
[18] Univ Washington, Seattle, WA USA
[19] Univ Washington, Seattle Childrens Res Inst, Seattle, WA USA
[20] Mansoura Univ Hosp, Mansoura, Egypt
[21] BC Childrens Hosp, Vancouver, BC, Canada
[22] Vivantes Clin Friedrichshain, Wurzburg, Germany
[23] SickKids, Toronto, ON, Canada
[24] Univ British Columbia Vancouver, Vancouver, BC, Canada
[25] Royal Childrens Hosp, Parkville, Vic, Australia
[26] Univ Liverpool, Liverpool, England
[27] HSS, New York, NY USA
[28] Boston Childrens Hosp, Boston, MA USA
[29] Alberta Childrens Prov Gen Hosp, Calgary, AB, Canada
[30] Hacettepe Univ, Dept Pediat, Ankara, Turkiye
[31] Univ Iowa, Carver Coll Med, Iowa City, IA USA
[32] Duke Univ, Med Ctr, Durham, NC USA
[33] Duke Univ, Sch Med, Durham, NC USA
[34] Univ Washington, Redmond, WA USA