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Dias MS, Rottmund CM, Cappos KM, Reed ME, Wang M, Stetter C, Shaffer ML, Hollenbeak CS, Paul IM, Christian CW, Berger RP, Klevens J.Dias MS, et al. Among authors: shaffer ml.JAMA Pediatr. 2017 Mar 1;171(3):223-229. doi: 10.1001/jamapediatrics.2016.4218.JAMA Pediatr. 2017.PMID: 28135348Free PMC article.