?:authorAffiliation
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[\'Division of Pediatric Rheumatology, The University of North Carolina at Chapel Hill, 030 MacNider Hall, CB #7231, Chapel Hill, NC, 27599, USA.\', \'Division of Pediatric Allergy/Immunology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.\', \'Division of Pediatric Cardiology, Duke University Medical Center, 2301 Erwin Road, Children\'s Health Center 1st Floor, Room 1921, Durham, NC, 27710, USA. michael.campbell2@duke.edu.\', \'Duke Cardiovascular Magnetic Resonance Center, Durham, NC, USA. michael.campbell2@duke.edu.\']
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