?:authorAffiliation
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[\'Children\'s Hospital at Montefiore and Albert Einstein College of Medicine, New York, New York.\', \'Boston Children\'s Hospital and Harvard Medical School, Boston, Massachusetts.\', \'Seattle Children\'s Hospital, Seattle, Washington.\', \'Nationwide Children\'s Hospital and Ohio State University, Columbus, Ohio.\', \'Children\'s Hospital of Philadelphia and University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania.\', \'University of Toronto and The Hospital for Sick Children, Toronto, Ontario, Canada.\', \'New York University Grossman School of Medicine and Hassenfeld Children\'s Hospital, New York, New York.\', \'University of Alabama at Birmingham.\', \'American College of Rheumatology, Atlanta, Georgia.\', \'University of Texas Southwestern Medical Center, Dallas.\']
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