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Halterman JS, Fagnano M, Tajon RS, Tremblay P, Wang H, Butz A, Perry TT, McConnochie KM.Halterman JS, et al.JAMA Pediatr. 2018 Mar 5;172(3):e174938. doi: 10.1001/jamapediatrics.2017.4938. Epub 2018 Mar 5.JAMA Pediatr. 2018.PMID: 29309483Free PMC article.Clinical Trial.