[1] Childrens Hosp Montefiore, Albert Einstein Coll Med, Pediat Rheumatol, Bronx, NY USA
[2] Childrens Hosp Montefiore, Pediat Rheumatol, Bronx, NY USA
[3] Childrens Mercy Kansas City, Kansas City, MO USA
[4] Childrens Hosp Montefiore, Bronx, NY USA
[5] Univ Kansas, Kansas City, KS USA
[6] Riley Childrens Hosp Indiana, Indianapolis, IN USA
[7] Childrens Hosp Philadelphia, Philadelphia, PA 19104 USA
[8] Univ Chicago Med, Chicago, IL USA
[9] Monroe Carell Jr Childrens Hosp Vanderbilt, Div Pediat Rheumatol, Nashville, TN USA
[10] Hosp Special Surg, 535 E 70th St, New York, NY 10021 USA
[11] Johns Hopkins Univ, Pediat, Baltimore, MD USA
[12] Univ Calif San Francisco, Pediat Rheumatol, San Francisco, CA 94143 USA
[13] Childrens Hosp Philadelphia, Ctr Pediat Clin Effectiveness & PolicyLab, Philadelphia, PA 19104 USA