[1] Cincinnati Childrens Hosp Med Ctr, Cincinnati, OH 45229 USA
[2] Anne & Robert H Lurie Childrens Hosp Chicago, Chicago, IL USA
[3] Ohio State Univ, Coll Med, Columbus, OH 43210 USA
[4] Emory Univ, Sch Med, Atlanta, GA USA
[5] BC Childrens Hosp, Vancouver, BC, Canada
[6] Univ British Columbia, Vancouver, BC V5Z 1M9, Canada
[7] Univ Chicago Hosp, Chicago, IL 60637 USA
[8] Case Western Reserve Univ, MetroHlth Med Ctr, Div Rheumatol, Cleveland, OH 44106 USA
[9] Riley Hosp Children, Indianapolis, IN USA
[10] Univ Hosp Cleveland, Cleveland, OH 44106 USA
[11] Cohen Childrens Med Ctr, Lake Success, NY USA
[12] Childrens Natl Med Ctr, Washington, DC 20010 USA
[13] Columbia Univ, Med Ctr, New York, NY USA
[14] UT Southwestern Med Ctr, Dallas, TX USA
[15] Cincinnati Childrens Hosp, Cincinnati, OH USA
[16] Univ Cincinnati, Cincinnati, OH USA